Home / 90,315.78-124,635.76-50,032.15

Finding the Fourth Proportional to 90,315.78, 124,635.76 and 50,032.15

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Solution

The fourth proportional to 90,315.78, 124,635.76 and 50,032.15 is: 69,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,315.78 : 124,635.76 = 50,032.15 : x
  2. Step 2: Convert to fraction form
    90,315.78/124,635.76 = 50,032.15/x
  3. Step 3: Cross multiply
    90,315.78x = 124,635.76 × 50,032.15
  4. Step 4: Simplify right side
    90,315.78x = 6,235,795,039.68
  5. Step 5: Solve for x
    x = 6,235,795,039.68/90,315.78
  6. Step 6: Final answer
    x = 69,044.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.