Home / 111,080.40-153,295.02-63,333.24

Finding the Fourth Proportional to 111,080.40, 153,295.02 and 63,333.24

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Solution

The fourth proportional to 111,080.40, 153,295.02 and 63,333.24 is: 87,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,080.40 : 153,295.02 = 63,333.24 : x
  2. Step 2: Convert to fraction form
    111,080.40/153,295.02 = 63,333.24/x
  3. Step 3: Cross multiply
    111,080.40x = 153,295.02 × 63,333.24
  4. Step 4: Simplify right side
    111,080.40x = 9,708,670,292.46
  5. Step 5: Solve for x
    x = 9,708,670,292.46/111,080.40
  6. Step 6: Final answer
    x = 87,402.19

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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.