Home / 90,488.32-124,888.87-50,215.02

Finding the Fourth Proportional to 90,488.32, 124,888.87 and 50,215.02

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Solution

The fourth proportional to 90,488.32, 124,888.87 and 50,215.02 is: 69,305.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,488.32 : 124,888.87 = 50,215.02 : x
  2. Step 2: Convert to fraction form
    90,488.32/124,888.87 = 50,215.02/x
  3. Step 3: Cross multiply
    90,488.32x = 124,888.87 × 50,215.02
  4. Step 4: Simplify right side
    90,488.32x = 6,271,296,229.31
  5. Step 5: Solve for x
    x = 6,271,296,229.31/90,488.32
  6. Step 6: Final answer
    x = 69,305.04

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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.