Home / 99,708.08-149,211.06-62,285.78

Finding the Fourth Proportional to 99,708.08, 149,211.06 and 62,285.78

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Solution

The fourth proportional to 99,708.08, 149,211.06 and 62,285.78 is: 93,209.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,708.08 : 149,211.06 = 62,285.78 : x
  2. Step 2: Convert to fraction form
    99,708.08/149,211.06 = 62,285.78/x
  3. Step 3: Cross multiply
    99,708.08x = 149,211.06 × 62,285.78
  4. Step 4: Simplify right side
    99,708.08x = 9,293,727,256.73
  5. Step 5: Solve for x
    x = 9,293,727,256.73/99,708.08
  6. Step 6: Final answer
    x = 93,209.37

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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.