Home / 93,397.62-128,892.33-53,115.06

Finding the Fourth Proportional to 93,397.62, 128,892.33 and 53,115.06

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Solution

The fourth proportional to 93,397.62, 128,892.33 and 53,115.06 is: 73,300.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,397.62 : 128,892.33 = 53,115.06 : x
  2. Step 2: Convert to fraction form
    93,397.62/128,892.33 = 53,115.06/x
  3. Step 3: Cross multiply
    93,397.62x = 128,892.33 × 53,115.06
  4. Step 4: Simplify right side
    93,397.62x = 6,846,123,841.49
  5. Step 5: Solve for x
    x = 6,846,123,841.49/93,397.62
  6. Step 6: Final answer
    x = 73,300.84

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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.