Home / 72,355.15-99,862.14-49,675.60

Finding the Fourth Proportional to 72,355.15, 99,862.14 and 49,675.60

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Solution

The fourth proportional to 72,355.15, 99,862.14 and 49,675.60 is: 68,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,355.15 : 99,862.14 = 49,675.60 : x
  2. Step 2: Convert to fraction form
    72,355.15/99,862.14 = 49,675.60/x
  3. Step 3: Cross multiply
    72,355.15x = 99,862.14 × 49,675.60
  4. Step 4: Simplify right side
    72,355.15x = 4,960,711,721.78
  5. Step 5: Solve for x
    x = 4,960,711,721.78/72,355.15
  6. Step 6: Final answer
    x = 68,560.59

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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.