Home / 111,125.50-153,354.28-60,825.58

Finding the Fourth Proportional to 111,125.50, 153,354.28 and 60,825.58

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Solution

The fourth proportional to 111,125.50, 153,354.28 and 60,825.58 is: 83,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,125.50 : 153,354.28 = 60,825.58 : x
  2. Step 2: Convert to fraction form
    111,125.50/153,354.28 = 60,825.58/x
  3. Step 3: Cross multiply
    111,125.50x = 153,354.28 × 60,825.58
  4. Step 4: Simplify right side
    111,125.50x = 9,327,863,026.48
  5. Step 5: Solve for x
    x = 9,327,863,026.48/111,125.50
  6. Step 6: Final answer
    x = 83,939.90

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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.