Home / 86,182.24-129,006.04-46,641.28

Finding the Fourth Proportional to 86,182.24, 129,006.04 and 46,641.28

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Solution

The fourth proportional to 86,182.24, 129,006.04 and 46,641.28 is: 69,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,182.24 : 129,006.04 = 46,641.28 : x
  2. Step 2: Convert to fraction form
    86,182.24/129,006.04 = 46,641.28/x
  3. Step 3: Cross multiply
    86,182.24x = 129,006.04 × 46,641.28
  4. Step 4: Simplify right side
    86,182.24x = 6,017,006,833.33
  5. Step 5: Solve for x
    x = 6,017,006,833.33/86,182.24
  6. Step 6: Final answer
    x = 69,817.25

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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.