Home / 99,472.02-137,270.98-54,152.52

Finding the Fourth Proportional to 99,472.02, 137,270.98 and 54,152.52

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Solution

The fourth proportional to 99,472.02, 137,270.98 and 54,152.52 is: 74,730.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,472.02 : 137,270.98 = 54,152.52 : x
  2. Step 2: Convert to fraction form
    99,472.02/137,270.98 = 54,152.52/x
  3. Step 3: Cross multiply
    99,472.02x = 137,270.98 × 54,152.52
  4. Step 4: Simplify right side
    99,472.02x = 7,433,569,489.87
  5. Step 5: Solve for x
    x = 7,433,569,489.87/99,472.02
  6. Step 6: Final answer
    x = 74,730.26

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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.