Home / 71,258.40-98,318.13-42,566.33

Finding the Fourth Proportional to 71,258.40, 98,318.13 and 42,566.33

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Solution

The fourth proportional to 71,258.40, 98,318.13 and 42,566.33 is: 58,730.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,258.40 : 98,318.13 = 42,566.33 : x
  2. Step 2: Convert to fraction form
    71,258.40/98,318.13 = 42,566.33/x
  3. Step 3: Cross multiply
    71,258.40x = 98,318.13 × 42,566.33
  4. Step 4: Simplify right side
    71,258.40x = 4,185,041,474.97
  5. Step 5: Solve for x
    x = 4,185,041,474.97/71,258.40
  6. Step 6: Final answer
    x = 58,730.50

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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.