Home / 77,498.95-116,321.19-38,084.35

Finding the Fourth Proportional to 77,498.95, 116,321.19 and 38,084.35

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Solution

The fourth proportional to 77,498.95, 116,321.19 and 38,084.35 is: 57,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,498.95 : 116,321.19 = 38,084.35 : x
  2. Step 2: Convert to fraction form
    77,498.95/116,321.19 = 38,084.35/x
  3. Step 3: Cross multiply
    77,498.95x = 116,321.19 × 38,084.35
  4. Step 4: Simplify right side
    77,498.95x = 4,430,016,912.38
  5. Step 5: Solve for x
    x = 4,430,016,912.38/77,498.95
  6. Step 6: Final answer
    x = 57,162.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.