Home / 86,971.40-130,426.28-41,373.73

Finding the Fourth Proportional to 86,971.40, 130,426.28 and 41,373.73

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Solution

The fourth proportional to 86,971.40, 130,426.28 and 41,373.73 is: 62,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,971.40 : 130,426.28 = 41,373.73 : x
  2. Step 2: Convert to fraction form
    86,971.40/130,426.28 = 41,373.73/x
  3. Step 3: Cross multiply
    86,971.40x = 130,426.28 × 41,373.73
  4. Step 4: Simplify right side
    86,971.40x = 5,396,221,693.62
  5. Step 5: Solve for x
    x = 5,396,221,693.62/86,971.40
  6. Step 6: Final answer
    x = 62,045.93

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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.