Home / 61,719.28-85,149.13-45,625.23

Finding the Fourth Proportional to 61,719.28, 85,149.13 and 45,625.23

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Solution

The fourth proportional to 61,719.28, 85,149.13 and 45,625.23 is: 62,945.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,719.28 : 85,149.13 = 45,625.23 : x
  2. Step 2: Convert to fraction form
    61,719.28/85,149.13 = 45,625.23/x
  3. Step 3: Cross multiply
    61,719.28x = 85,149.13 × 45,625.23
  4. Step 4: Simplify right side
    61,719.28x = 3,884,948,093.11
  5. Step 5: Solve for x
    x = 3,884,948,093.11/61,719.28
  6. Step 6: Final answer
    x = 62,945.46

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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.