Home / 86,478.30-129,482.96-44,837.82

Finding the Fourth Proportional to 86,478.30, 129,482.96 and 44,837.82

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Solution

The fourth proportional to 86,478.30, 129,482.96 and 44,837.82 is: 67,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,478.30 : 129,482.96 = 44,837.82 : x
  2. Step 2: Convert to fraction form
    86,478.30/129,482.96 = 44,837.82/x
  3. Step 3: Cross multiply
    86,478.30x = 129,482.96 × 44,837.82
  4. Step 4: Simplify right side
    86,478.30x = 5,805,733,429.36
  5. Step 5: Solve for x
    x = 5,805,733,429.36/86,478.30
  6. Step 6: Final answer
    x = 67,135.15

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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.