Home / 72,280.98-99,748.26-40,452.84

Finding the Fourth Proportional to 72,280.98, 99,748.26 and 40,452.84

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Solution

The fourth proportional to 72,280.98, 99,748.26 and 40,452.84 is: 55,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,280.98 : 99,748.26 = 40,452.84 : x
  2. Step 2: Convert to fraction form
    72,280.98/99,748.26 = 40,452.84/x
  3. Step 3: Cross multiply
    72,280.98x = 99,748.26 × 40,452.84
  4. Step 4: Simplify right side
    72,280.98x = 4,035,100,402.06
  5. Step 5: Solve for x
    x = 4,035,100,402.06/72,280.98
  6. Step 6: Final answer
    x = 55,825.20

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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.