Home / 87,985.56-121,437.72-52,195.44

Finding the Fourth Proportional to 87,985.56, 121,437.72 and 52,195.44

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Solution

The fourth proportional to 87,985.56, 121,437.72 and 52,195.44 is: 72,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,985.56 : 121,437.72 = 52,195.44 : x
  2. Step 2: Convert to fraction form
    87,985.56/121,437.72 = 52,195.44/x
  3. Step 3: Cross multiply
    87,985.56x = 121,437.72 × 52,195.44
  4. Step 4: Simplify right side
    87,985.56x = 6,338,495,228.00
  5. Step 5: Solve for x
    x = 6,338,495,228.00/87,985.56
  6. Step 6: Final answer
    x = 72,040.18

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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.