Home / 84,985.20-117,281.52-47,265.12

Finding the Fourth Proportional to 84,985.20, 117,281.52 and 47,265.12

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Solution

The fourth proportional to 84,985.20, 117,281.52 and 47,265.12 is: 65,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,985.20 : 117,281.52 = 47,265.12 : x
  2. Step 2: Convert to fraction form
    84,985.20/117,281.52 = 47,265.12/x
  3. Step 3: Cross multiply
    84,985.20x = 117,281.52 × 47,265.12
  4. Step 4: Simplify right side
    84,985.20x = 5,543,325,116.58
  5. Step 5: Solve for x
    x = 5,543,325,116.58/84,985.20
  6. Step 6: Final answer
    x = 65,226.95

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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.