Home / 83,013.48-114,557.28-47,202.72

Finding the Fourth Proportional to 83,013.48, 114,557.28 and 47,202.72

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Solution

The fourth proportional to 83,013.48, 114,557.28 and 47,202.72 is: 65,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,013.48 : 114,557.28 = 47,202.72 : x
  2. Step 2: Convert to fraction form
    83,013.48/114,557.28 = 47,202.72/x
  3. Step 3: Cross multiply
    83,013.48x = 114,557.28 × 47,202.72
  4. Step 4: Simplify right side
    83,013.48x = 5,407,415,211.80
  5. Step 5: Solve for x
    x = 5,407,415,211.80/83,013.48
  6. Step 6: Final answer
    x = 65,139.00

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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.