Home / 86,711.36-130,064.54-39,292.19

Finding the Fourth Proportional to 86,711.36, 130,064.54 and 39,292.19

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Solution

The fourth proportional to 86,711.36, 130,064.54 and 39,292.19 is: 58,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,711.36 : 130,064.54 = 39,292.19 : x
  2. Step 2: Convert to fraction form
    86,711.36/130,064.54 = 39,292.19/x
  3. Step 3: Cross multiply
    86,711.36x = 130,064.54 × 39,292.19
  4. Step 4: Simplify right side
    86,711.36x = 5,110,520,258.90
  5. Step 5: Solve for x
    x = 5,110,520,258.90/86,711.36
  6. Step 6: Final answer
    x = 58,937.15

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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.