Home / 111,184.32-153,432.60-60,883.28

Finding the Fourth Proportional to 111,184.32, 153,432.60 and 60,883.28

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Solution

The fourth proportional to 111,184.32, 153,432.60 and 60,883.28 is: 84,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,184.32 : 153,432.60 = 60,883.28 : x
  2. Step 2: Convert to fraction form
    111,184.32/153,432.60 = 60,883.28/x
  3. Step 3: Cross multiply
    111,184.32x = 153,432.60 × 60,883.28
  4. Step 4: Simplify right side
    111,184.32x = 9,341,479,946.93
  5. Step 5: Solve for x
    x = 9,341,479,946.93/111,184.32
  6. Step 6: Final answer
    x = 84,017.96

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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.