Home / 90,511.56-124,905.06-50,225.40

Finding the Fourth Proportional to 90,511.56, 124,905.06 and 50,225.40

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Solution

The fourth proportional to 90,511.56, 124,905.06 and 50,225.40 is: 69,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,511.56 : 124,905.06 = 50,225.40 : x
  2. Step 2: Convert to fraction form
    90,511.56/124,905.06 = 50,225.40/x
  3. Step 3: Cross multiply
    90,511.56x = 124,905.06 × 50,225.40
  4. Step 4: Simplify right side
    90,511.56x = 6,273,406,600.52
  5. Step 5: Solve for x
    x = 6,273,406,600.52/90,511.56
  6. Step 6: Final answer
    x = 69,310.56

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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.