Home / 56,125.20-83,749.02-54,791.40

Finding the Fourth Proportional to 56,125.20, 83,749.02 and 54,791.40

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Solution

The fourth proportional to 56,125.20, 83,749.02 and 54,791.40 is: 81,758.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,125.20 : 83,749.02 = 54,791.40 : x
  2. Step 2: Convert to fraction form
    56,125.20/83,749.02 = 54,791.40/x
  3. Step 3: Cross multiply
    56,125.20x = 83,749.02 × 54,791.40
  4. Step 4: Simplify right side
    56,125.20x = 4,588,726,054.43
  5. Step 5: Solve for x
    x = 4,588,726,054.43/56,125.20
  6. Step 6: Final answer
    x = 81,758.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.