Home / 93,337.43-128,769.05-57,465.15

Finding the Fourth Proportional to 93,337.43, 128,769.05 and 57,465.15

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Solution

The fourth proportional to 93,337.43, 128,769.05 and 57,465.15 is: 79,279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,337.43 : 128,769.05 = 57,465.15 : x
  2. Step 2: Convert to fraction form
    93,337.43/128,769.05 = 57,465.15/x
  3. Step 3: Cross multiply
    93,337.43x = 128,769.05 × 57,465.15
  4. Step 4: Simplify right side
    93,337.43x = 7,399,732,486.28
  5. Step 5: Solve for x
    x = 7,399,732,486.28/93,337.43
  6. Step 6: Final answer
    x = 79,279.37

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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.