Home / 90,238.39-124,530.08-49,955.87

Finding the Fourth Proportional to 90,238.39, 124,530.08 and 49,955.87

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Solution

The fourth proportional to 90,238.39, 124,530.08 and 49,955.87 is: 68,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,238.39 : 124,530.08 = 49,955.87 : x
  2. Step 2: Convert to fraction form
    90,238.39/124,530.08 = 49,955.87/x
  3. Step 3: Cross multiply
    90,238.39x = 124,530.08 × 49,955.87
  4. Step 4: Simplify right side
    90,238.39x = 6,221,008,549.12
  5. Step 5: Solve for x
    x = 6,221,008,549.12/90,238.39
  6. Step 6: Final answer
    x = 68,939.71

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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.