Home / 93,732.23-129,215.90-66,828.02

Finding the Fourth Proportional to 93,732.23, 129,215.90 and 66,828.02

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Solution

The fourth proportional to 93,732.23, 129,215.90 and 66,828.02 is: 92,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,732.23 : 129,215.90 = 66,828.02 : x
  2. Step 2: Convert to fraction form
    93,732.23/129,215.90 = 66,828.02/x
  3. Step 3: Cross multiply
    93,732.23x = 129,215.90 × 66,828.02
  4. Step 4: Simplify right side
    93,732.23x = 8,635,241,769.30
  5. Step 5: Solve for x
    x = 8,635,241,769.30/93,732.23
  6. Step 6: Final answer
    x = 92,126.71

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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.