Home / 71,778.98-98,952.34-50,492.18

Finding the Fourth Proportional to 71,778.98, 98,952.34 and 50,492.18

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Solution

The fourth proportional to 71,778.98, 98,952.34 and 50,492.18 is: 69,607.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,778.98 : 98,952.34 = 50,492.18 : x
  2. Step 2: Convert to fraction form
    71,778.98/98,952.34 = 50,492.18/x
  3. Step 3: Cross multiply
    71,778.98x = 98,952.34 × 50,492.18
  4. Step 4: Simplify right side
    71,778.98x = 4,996,319,362.70
  5. Step 5: Solve for x
    x = 4,996,319,362.70/71,778.98
  6. Step 6: Final answer
    x = 69,607.00

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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.