Home / 86,929.13-130,414.04-26,954.45

Finding the Fourth Proportional to 86,929.13, 130,414.04 and 26,954.45

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Solution

The fourth proportional to 86,929.13, 130,414.04 and 26,954.45 is: 40,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,929.13 : 130,414.04 = 26,954.45 : x
  2. Step 2: Convert to fraction form
    86,929.13/130,414.04 = 26,954.45/x
  3. Step 3: Cross multiply
    86,929.13x = 130,414.04 × 26,954.45
  4. Step 4: Simplify right side
    86,929.13x = 3,515,238,585.71
  5. Step 5: Solve for x
    x = 3,515,238,585.71/86,929.13
  6. Step 6: Final answer
    x = 40,437.98

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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.