Home / 85,350.72-117,717.45-54,726.72

Finding the Fourth Proportional to 85,350.72, 117,717.45 and 54,726.72

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Solution

The fourth proportional to 85,350.72, 117,717.45 and 54,726.72 is: 75,480.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,350.72 : 117,717.45 = 54,726.72 : x
  2. Step 2: Convert to fraction form
    85,350.72/117,717.45 = 54,726.72/x
  3. Step 3: Cross multiply
    85,350.72x = 117,717.45 × 54,726.72
  4. Step 4: Simplify right side
    85,350.72x = 6,442,289,925.26
  5. Step 5: Solve for x
    x = 6,442,289,925.26/85,350.72
  6. Step 6: Final answer
    x = 75,480.21

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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.