Home / 109,862.02-151,608.72-62,124.76

Finding the Fourth Proportional to 109,862.02, 151,608.72 and 62,124.76

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Solution

The fourth proportional to 109,862.02, 151,608.72 and 62,124.76 is: 85,731.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,862.02 : 151,608.72 = 62,124.76 : x
  2. Step 2: Convert to fraction form
    109,862.02/151,608.72 = 62,124.76/x
  3. Step 3: Cross multiply
    109,862.02x = 151,608.72 × 62,124.76
  4. Step 4: Simplify right side
    109,862.02x = 9,418,655,343.91
  5. Step 5: Solve for x
    x = 9,418,655,343.91/109,862.02
  6. Step 6: Final answer
    x = 85,731.68

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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.