Home / 81,697.03-122,650.50-62,988.95

Finding the Fourth Proportional to 81,697.03, 122,650.50 and 62,988.95

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Solution

The fourth proportional to 81,697.03, 122,650.50 and 62,988.95 is: 94,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,697.03 : 122,650.50 = 62,988.95 : x
  2. Step 2: Convert to fraction form
    81,697.03/122,650.50 = 62,988.95/x
  3. Step 3: Cross multiply
    81,697.03x = 122,650.50 × 62,988.95
  4. Step 4: Simplify right side
    81,697.03x = 7,725,626,400.50
  5. Step 5: Solve for x
    x = 7,725,626,400.50/81,697.03
  6. Step 6: Final answer
    x = 94,564.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.