Home / 93,485.86-129,012.15-53,195.38

Finding the Fourth Proportional to 93,485.86, 129,012.15 and 53,195.38

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Solution

The fourth proportional to 93,485.86, 129,012.15 and 53,195.38 is: 73,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,485.86 : 129,012.15 = 53,195.38 : x
  2. Step 2: Convert to fraction form
    93,485.86/129,012.15 = 53,195.38/x
  3. Step 3: Cross multiply
    93,485.86x = 129,012.15 × 53,195.38
  4. Step 4: Simplify right side
    93,485.86x = 6,862,850,343.87
  5. Step 5: Solve for x
    x = 6,862,850,343.87/93,485.86
  6. Step 6: Final answer
    x = 73,410.57

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.