Home / 111,542.20-153,929.36-60,555.40

Finding the Fourth Proportional to 111,542.20, 153,929.36 and 60,555.40

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Solution

The fourth proportional to 111,542.20, 153,929.36 and 60,555.40 is: 83,567.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,542.20 : 153,929.36 = 60,555.40 : x
  2. Step 2: Convert to fraction form
    111,542.20/153,929.36 = 60,555.40/x
  3. Step 3: Cross multiply
    111,542.20x = 153,929.36 × 60,555.40
  4. Step 4: Simplify right side
    111,542.20x = 9,321,253,733.11
  5. Step 5: Solve for x
    x = 9,321,253,733.11/111,542.20
  6. Step 6: Final answer
    x = 83,567.06

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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.