Home / 90,363.05-124,701.33-50,077.50

Finding the Fourth Proportional to 90,363.05, 124,701.33 and 50,077.50

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Solution

The fourth proportional to 90,363.05, 124,701.33 and 50,077.50 is: 69,107.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,363.05 : 124,701.33 = 50,077.50 : x
  2. Step 2: Convert to fraction form
    90,363.05/124,701.33 = 50,077.50/x
  3. Step 3: Cross multiply
    90,363.05x = 124,701.33 × 50,077.50
  4. Step 4: Simplify right side
    90,363.05x = 6,244,730,853.08
  5. Step 5: Solve for x
    x = 6,244,730,853.08/90,363.05
  6. Step 6: Final answer
    x = 69,107.13

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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.