Home / 85,454.43-117,931.61-51,473.57

Finding the Fourth Proportional to 85,454.43, 117,931.61 and 51,473.57

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Solution

The fourth proportional to 85,454.43, 117,931.61 and 51,473.57 is: 71,036.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,454.43 : 117,931.61 = 51,473.57 : x
  2. Step 2: Convert to fraction form
    85,454.43/117,931.61 = 51,473.57/x
  3. Step 3: Cross multiply
    85,454.43x = 117,931.61 × 51,473.57
  4. Step 4: Simplify right side
    85,454.43x = 6,070,360,135.52
  5. Step 5: Solve for x
    x = 6,070,360,135.52/85,454.43
  6. Step 6: Final answer
    x = 71,036.23

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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.