Home / 86,376.07-129,535.16-33,055.66

Finding the Fourth Proportional to 86,376.07, 129,535.16 and 33,055.66

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Solution

The fourth proportional to 86,376.07, 129,535.16 and 33,055.66 is: 49,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,376.07 : 129,535.16 = 33,055.66 : x
  2. Step 2: Convert to fraction form
    86,376.07/129,535.16 = 33,055.66/x
  3. Step 3: Cross multiply
    86,376.07x = 129,535.16 × 33,055.66
  4. Step 4: Simplify right side
    86,376.07x = 4,281,869,394.05
  5. Step 5: Solve for x
    x = 4,281,869,394.05/86,376.07
  6. Step 6: Final answer
    x = 49,572.41

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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.