Home / 86,585.32-129,881.69-34,006.19

Finding the Fourth Proportional to 86,585.32, 129,881.69 and 34,006.19

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Solution

The fourth proportional to 86,585.32, 129,881.69 and 34,006.19 is: 51,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,585.32 : 129,881.69 = 34,006.19 : x
  2. Step 2: Convert to fraction form
    86,585.32/129,881.69 = 34,006.19/x
  3. Step 3: Cross multiply
    86,585.32x = 129,881.69 × 34,006.19
  4. Step 4: Simplify right side
    86,585.32x = 4,416,781,427.66
  5. Step 5: Solve for x
    x = 4,416,781,427.66/86,585.32
  6. Step 6: Final answer
    x = 51,010.74

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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.