Home / 88,702.50-122,430.02-58,493.28

Finding the Fourth Proportional to 88,702.50, 122,430.02 and 58,493.28

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Solution

The fourth proportional to 88,702.50, 122,430.02 and 58,493.28 is: 80,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,702.50 : 122,430.02 = 58,493.28 : x
  2. Step 2: Convert to fraction form
    88,702.50/122,430.02 = 58,493.28/x
  3. Step 3: Cross multiply
    88,702.50x = 122,430.02 × 58,493.28
  4. Step 4: Simplify right side
    88,702.50x = 7,161,333,147.80
  5. Step 5: Solve for x
    x = 7,161,333,147.80/88,702.50
  6. Step 6: Final answer
    x = 80,734.29

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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.