Home / 111,432.10-153,775.38-60,444.70

Finding the Fourth Proportional to 111,432.10, 153,775.38 and 60,444.70

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Solution

The fourth proportional to 111,432.10, 153,775.38 and 60,444.70 is: 83,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,432.10 : 153,775.38 = 60,444.70 : x
  2. Step 2: Convert to fraction form
    111,432.10/153,775.38 = 60,444.70/x
  3. Step 3: Cross multiply
    111,432.10x = 153,775.38 × 60,444.70
  4. Step 4: Simplify right side
    111,432.10x = 9,294,906,711.49
  5. Step 5: Solve for x
    x = 9,294,906,711.49/111,432.10
  6. Step 6: Final answer
    x = 83,413.19

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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.