Home / 90,521.65-124,924.13-50,235.74

Finding the Fourth Proportional to 90,521.65, 124,924.13 and 50,235.74

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Solution

The fourth proportional to 90,521.65, 124,924.13 and 50,235.74 is: 69,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,521.65 : 124,924.13 = 50,235.74 : x
  2. Step 2: Convert to fraction form
    90,521.65/124,924.13 = 50,235.74/x
  3. Step 3: Cross multiply
    90,521.65x = 124,924.13 × 50,235.74
  4. Step 4: Simplify right side
    90,521.65x = 6,275,656,114.41
  5. Step 5: Solve for x
    x = 6,275,656,114.41/90,521.65
  6. Step 6: Final answer
    x = 69,327.68

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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.