Home / 93,789.02-129,432.11-51,347.85

Finding the Fourth Proportional to 93,789.02, 129,432.11 and 51,347.85

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Solution

The fourth proportional to 93,789.02, 129,432.11 and 51,347.85 is: 70,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,789.02 : 129,432.11 = 51,347.85 : x
  2. Step 2: Convert to fraction form
    93,789.02/129,432.11 = 51,347.85/x
  3. Step 3: Cross multiply
    93,789.02x = 129,432.11 × 51,347.85
  4. Step 4: Simplify right side
    93,789.02x = 6,646,060,312.72
  5. Step 5: Solve for x
    x = 6,646,060,312.72/93,789.02
  6. Step 6: Final answer
    x = 70,861.82

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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.