Home / 61,520.80-92,281.20-52,663.45

Finding the Fourth Proportional to 61,520.80, 92,281.20 and 52,663.45

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Solution

The fourth proportional to 61,520.80, 92,281.20 and 52,663.45 is: 78,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,520.80 : 92,281.20 = 52,663.45 : x
  2. Step 2: Convert to fraction form
    61,520.80/92,281.20 = 52,663.45/x
  3. Step 3: Cross multiply
    61,520.80x = 92,281.20 × 52,663.45
  4. Step 4: Simplify right side
    61,520.80x = 4,859,846,362.14
  5. Step 5: Solve for x
    x = 4,859,846,362.14/61,520.80
  6. Step 6: Final answer
    x = 78,995.18

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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.