Home / 86,525.90-129,832.05-49,114.70

Finding the Fourth Proportional to 86,525.90, 129,832.05 and 49,114.70

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Solution

The fourth proportional to 86,525.90, 129,832.05 and 49,114.70 is: 73,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,525.90 : 129,832.05 = 49,114.70 : x
  2. Step 2: Convert to fraction form
    86,525.90/129,832.05 = 49,114.70/x
  3. Step 3: Cross multiply
    86,525.90x = 129,832.05 × 49,114.70
  4. Step 4: Simplify right side
    86,525.90x = 6,376,662,186.14
  5. Step 5: Solve for x
    x = 6,376,662,186.14/86,525.90
  6. Step 6: Final answer
    x = 73,696.57

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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.