Home / 71,205.16-98,265.11-38,941.45

Finding the Fourth Proportional to 71,205.16, 98,265.11 and 38,941.45

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Solution

The fourth proportional to 71,205.16, 98,265.11 and 38,941.45 is: 53,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,205.16 : 98,265.11 = 38,941.45 : x
  2. Step 2: Convert to fraction form
    71,205.16/98,265.11 = 38,941.45/x
  3. Step 3: Cross multiply
    71,205.16x = 98,265.11 × 38,941.45
  4. Step 4: Simplify right side
    71,205.16x = 3,826,585,867.81
  5. Step 5: Solve for x
    x = 3,826,585,867.81/71,205.16
  6. Step 6: Final answer
    x = 53,740.29

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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.