Home / 90,989.33-125,563.55-50,702.22

Finding the Fourth Proportional to 90,989.33, 125,563.55 and 50,702.22

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Solution

The fourth proportional to 90,989.33, 125,563.55 and 50,702.22 is: 69,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,989.33 : 125,563.55 = 50,702.22 : x
  2. Step 2: Convert to fraction form
    90,989.33/125,563.55 = 50,702.22/x
  3. Step 3: Cross multiply
    90,989.33x = 125,563.55 × 50,702.22
  4. Step 4: Simplify right side
    90,989.33x = 6,366,350,482.57
  5. Step 5: Solve for x
    x = 6,366,350,482.57/90,989.33
  6. Step 6: Final answer
    x = 69,968.10

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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.