Home / 90,253.32-124,554.15-49,968.78

Finding the Fourth Proportional to 90,253.32, 124,554.15 and 49,968.78

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Solution

The fourth proportional to 90,253.32, 124,554.15 and 49,968.78 is: 68,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,253.32 : 124,554.15 = 49,968.78 : x
  2. Step 2: Convert to fraction form
    90,253.32/124,554.15 = 49,968.78/x
  3. Step 3: Cross multiply
    90,253.32x = 124,554.15 × 49,968.78
  4. Step 4: Simplify right side
    90,253.32x = 6,223,818,919.44
  5. Step 5: Solve for x
    x = 6,223,818,919.44/90,253.32
  6. Step 6: Final answer
    x = 68,959.45

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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.