Home / 90,543.70-124,958.01-50,261.62

Finding the Fourth Proportional to 90,543.70, 124,958.01 and 50,261.62

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Solution

The fourth proportional to 90,543.70, 124,958.01 and 50,261.62 is: 69,365.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,543.70 : 124,958.01 = 50,261.62 : x
  2. Step 2: Convert to fraction form
    90,543.70/124,958.01 = 50,261.62/x
  3. Step 3: Cross multiply
    90,543.70x = 124,958.01 × 50,261.62
  4. Step 4: Simplify right side
    90,543.70x = 6,280,592,014.58
  5. Step 5: Solve for x
    x = 6,280,592,014.58/90,543.70
  6. Step 6: Final answer
    x = 69,365.31

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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.