Home / 111,114.85-153,338.89-60,127.57

Finding the Fourth Proportional to 111,114.85, 153,338.89 and 60,127.57

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Solution

The fourth proportional to 111,114.85, 153,338.89 and 60,127.57 is: 82,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,114.85 : 153,338.89 = 60,127.57 : x
  2. Step 2: Convert to fraction form
    111,114.85/153,338.89 = 60,127.57/x
  3. Step 3: Cross multiply
    111,114.85x = 153,338.89 × 60,127.57
  4. Step 4: Simplify right side
    111,114.85x = 9,219,894,842.20
  5. Step 5: Solve for x
    x = 9,219,894,842.20/111,114.85
  6. Step 6: Final answer
    x = 82,976.26

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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.