Home / 71,380.20-98,552.79-63,802.25

Finding the Fourth Proportional to 71,380.20, 98,552.79 and 63,802.25

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Solution

The fourth proportional to 71,380.20, 98,552.79 and 63,802.25 is: 88,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,380.20 : 98,552.79 = 63,802.25 : x
  2. Step 2: Convert to fraction form
    71,380.20/98,552.79 = 63,802.25/x
  3. Step 3: Cross multiply
    71,380.20x = 98,552.79 × 63,802.25
  4. Step 4: Simplify right side
    71,380.20x = 6,287,889,253.01
  5. Step 5: Solve for x
    x = 6,287,889,253.01/71,380.20
  6. Step 6: Final answer
    x = 88,090.10

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1.5x scale

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.