Home / 107,909.07-148,909.07-60,153.20

Finding the Fourth Proportional to 107,909.07, 148,909.07 and 60,153.20

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Solution

The fourth proportional to 107,909.07, 148,909.07 and 60,153.20 is: 83,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,909.07 : 148,909.07 = 60,153.20 : x
  2. Step 2: Convert to fraction form
    107,909.07/148,909.07 = 60,153.20/x
  3. Step 3: Cross multiply
    107,909.07x = 148,909.07 × 60,153.20
  4. Step 4: Simplify right side
    107,909.07x = 8,957,357,069.52
  5. Step 5: Solve for x
    x = 8,957,357,069.52/107,909.07
  6. Step 6: Final answer
    x = 83,008.38

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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.