Home / 85,490.52-117,976.20-47,252.70

Finding the Fourth Proportional to 85,490.52, 117,976.20 and 47,252.70

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Solution

The fourth proportional to 85,490.52, 117,976.20 and 47,252.70 is: 65,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,490.52 : 117,976.20 = 47,252.70 : x
  2. Step 2: Convert to fraction form
    85,490.52/117,976.20 = 47,252.70/x
  3. Step 3: Cross multiply
    85,490.52x = 117,976.20 × 47,252.70
  4. Step 4: Simplify right side
    85,490.52x = 5,574,693,985.74
  5. Step 5: Solve for x
    x = 5,574,693,985.74/85,490.52
  6. Step 6: Final answer
    x = 65,208.33

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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.