Home / 71,085.11-106,535.61-28,916.24

Finding the Fourth Proportional to 71,085.11, 106,535.61 and 28,916.24

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Solution

The fourth proportional to 71,085.11, 106,535.61 and 28,916.24 is: 43,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,085.11 : 106,535.61 = 28,916.24 : x
  2. Step 2: Convert to fraction form
    71,085.11/106,535.61 = 28,916.24/x
  3. Step 3: Cross multiply
    71,085.11x = 106,535.61 × 28,916.24
  4. Step 4: Simplify right side
    71,085.11x = 3,080,609,267.31
  5. Step 5: Solve for x
    x = 3,080,609,267.31/71,085.11
  6. Step 6: Final answer
    x = 43,336.91

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1.5x scale

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.