Home / 93,747.06-129,236.46-66,842.91

Finding the Fourth Proportional to 93,747.06, 129,236.46 and 66,842.91

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Solution

The fourth proportional to 93,747.06, 129,236.46 and 66,842.91 is: 92,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,747.06 : 129,236.46 = 66,842.91 : x
  2. Step 2: Convert to fraction form
    93,747.06/129,236.46 = 66,842.91/x
  3. Step 3: Cross multiply
    93,747.06x = 129,236.46 × 66,842.91
  4. Step 4: Simplify right side
    93,747.06x = 8,638,541,064.50
  5. Step 5: Solve for x
    x = 8,638,541,064.50/93,747.06
  6. Step 6: Final answer
    x = 92,147.33

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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.