Home / 93,772.13-129,406.14-53,485.47

Finding the Fourth Proportional to 93,772.13, 129,406.14 and 53,485.47

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Solution

The fourth proportional to 93,772.13, 129,406.14 and 53,485.47 is: 73,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,772.13 : 129,406.14 = 53,485.47 : x
  2. Step 2: Convert to fraction form
    93,772.13/129,406.14 = 53,485.47/x
  3. Step 3: Cross multiply
    93,772.13x = 129,406.14 × 53,485.47
  4. Step 4: Simplify right side
    93,772.13x = 6,921,348,218.79
  5. Step 5: Solve for x
    x = 6,921,348,218.79/93,772.13
  6. Step 6: Final answer
    x = 73,810.30

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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.