Home / 111,344.64-153,657.60-61,043.04

Finding the Fourth Proportional to 111,344.64, 153,657.60 and 61,043.04

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Solution

The fourth proportional to 111,344.64, 153,657.60 and 61,043.04 is: 84,240.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,344.64 : 153,657.60 = 61,043.04 : x
  2. Step 2: Convert to fraction form
    111,344.64/153,657.60 = 61,043.04/x
  3. Step 3: Cross multiply
    111,344.64x = 153,657.60 × 61,043.04
  4. Step 4: Simplify right side
    111,344.64x = 9,379,727,023.10
  5. Step 5: Solve for x
    x = 9,379,727,023.10/111,344.64
  6. Step 6: Final answer
    x = 84,240.49

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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.