Home / 69,121.20-103,637.16-37,948.08

Finding the Fourth Proportional to 69,121.20, 103,637.16 and 37,948.08

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Solution

The fourth proportional to 69,121.20, 103,637.16 and 37,948.08 is: 56,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,121.20 : 103,637.16 = 37,948.08 : x
  2. Step 2: Convert to fraction form
    69,121.20/103,637.16 = 37,948.08/x
  3. Step 3: Cross multiply
    69,121.20x = 103,637.16 × 37,948.08
  4. Step 4: Simplify right side
    69,121.20x = 3,932,831,238.65
  5. Step 5: Solve for x
    x = 3,932,831,238.65/69,121.20
  6. Step 6: Final answer
    x = 56,897.61

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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.