Home / 111,508.03-153,881.22-60,520.76

Finding the Fourth Proportional to 111,508.03, 153,881.22 and 60,520.76

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Solution

The fourth proportional to 111,508.03, 153,881.22 and 60,520.76 is: 83,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,508.03 : 153,881.22 = 60,520.76 : x
  2. Step 2: Convert to fraction form
    111,508.03/153,881.22 = 60,520.76/x
  3. Step 3: Cross multiply
    111,508.03x = 153,881.22 × 60,520.76
  4. Step 4: Simplify right side
    111,508.03x = 9,313,007,614.72
  5. Step 5: Solve for x
    x = 9,313,007,614.72/111,508.03
  6. Step 6: Final answer
    x = 83,518.72

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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.