Home / 99,925.04-149,813.45-60,472.78

Finding the Fourth Proportional to 99,925.04, 149,813.45 and 60,472.78

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Solution

The fourth proportional to 99,925.04, 149,813.45 and 60,472.78 is: 90,664.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,925.04 : 149,813.45 = 60,472.78 : x
  2. Step 2: Convert to fraction form
    99,925.04/149,813.45 = 60,472.78/x
  3. Step 3: Cross multiply
    99,925.04x = 149,813.45 × 60,472.78
  4. Step 4: Simplify right side
    99,925.04x = 9,059,635,352.77
  5. Step 5: Solve for x
    x = 9,059,635,352.77/99,925.04
  6. Step 6: Final answer
    x = 90,664.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.