Home / 111,319.36-153,618.98-60,330.66

Finding the Fourth Proportional to 111,319.36, 153,618.98 and 60,330.66

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Solution

The fourth proportional to 111,319.36, 153,618.98 and 60,330.66 is: 83,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,319.36 : 153,618.98 = 60,330.66 : x
  2. Step 2: Convert to fraction form
    111,319.36/153,618.98 = 60,330.66/x
  3. Step 3: Cross multiply
    111,319.36x = 153,618.98 × 60,330.66
  4. Step 4: Simplify right side
    111,319.36x = 9,267,934,451.93
  5. Step 5: Solve for x
    x = 9,267,934,451.93/111,319.36
  6. Step 6: Final answer
    x = 83,255.37

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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.