Home / 71,122.73-98,152.19-40,908.02

Finding the Fourth Proportional to 71,122.73, 98,152.19 and 40,908.02

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Solution

The fourth proportional to 71,122.73, 98,152.19 and 40,908.02 is: 56,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,122.73 : 98,152.19 = 40,908.02 : x
  2. Step 2: Convert to fraction form
    71,122.73/98,152.19 = 40,908.02/x
  3. Step 3: Cross multiply
    71,122.73x = 98,152.19 × 40,908.02
  4. Step 4: Simplify right side
    71,122.73x = 4,015,211,056.26
  5. Step 5: Solve for x
    x = 4,015,211,056.26/71,122.73
  6. Step 6: Final answer
    x = 56,454.69

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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.