Home / 86,834.67-130,254.71-29,907.96

Finding the Fourth Proportional to 86,834.67, 130,254.71 and 29,907.96

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Solution

The fourth proportional to 86,834.67, 130,254.71 and 29,907.96 is: 44,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,834.67 : 130,254.71 = 29,907.96 : x
  2. Step 2: Convert to fraction form
    86,834.67/130,254.71 = 29,907.96/x
  3. Step 3: Cross multiply
    86,834.67x = 130,254.71 × 29,907.96
  4. Step 4: Simplify right side
    86,834.67x = 3,895,652,506.95
  5. Step 5: Solve for x
    x = 3,895,652,506.95/86,834.67
  6. Step 6: Final answer
    x = 44,862.87

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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.