Home / 93,558.15-129,073.57-57,685.86

Finding the Fourth Proportional to 93,558.15, 129,073.57 and 57,685.86

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Solution

The fourth proportional to 93,558.15, 129,073.57 and 57,685.86 is: 79,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,558.15 : 129,073.57 = 57,685.86 : x
  2. Step 2: Convert to fraction form
    93,558.15/129,073.57 = 57,685.86/x
  3. Step 3: Cross multiply
    93,558.15x = 129,073.57 × 57,685.86
  4. Step 4: Simplify right side
    93,558.15x = 7,445,719,744.51
  5. Step 5: Solve for x
    x = 7,445,719,744.51/93,558.15
  6. Step 6: Final answer
    x = 79,583.87

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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.