Home / 109,861.02-151,607.34-62,123.76

Finding the Fourth Proportional to 109,861.02, 151,607.34 and 62,123.76

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Solution

The fourth proportional to 109,861.02, 151,607.34 and 62,123.76 is: 85,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,861.02 : 151,607.34 = 62,123.76 : x
  2. Step 2: Convert to fraction form
    109,861.02/151,607.34 = 62,123.76/x
  3. Step 3: Cross multiply
    109,861.02x = 151,607.34 × 62,123.76
  4. Step 4: Simplify right side
    109,861.02x = 9,418,418,004.40
  5. Step 5: Solve for x
    x = 9,418,418,004.40/109,861.02
  6. Step 6: Final answer
    x = 85,730.30

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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.