Home / 72,157.24-99,577.15-40,326.14

Finding the Fourth Proportional to 72,157.24, 99,577.15 and 40,326.14

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Solution

The fourth proportional to 72,157.24, 99,577.15 and 40,326.14 is: 55,650.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,157.24 : 99,577.15 = 40,326.14 : x
  2. Step 2: Convert to fraction form
    72,157.24/99,577.15 = 40,326.14/x
  3. Step 3: Cross multiply
    72,157.24x = 99,577.15 × 40,326.14
  4. Step 4: Simplify right side
    72,157.24x = 4,015,562,099.80
  5. Step 5: Solve for x
    x = 4,015,562,099.80/72,157.24
  6. Step 6: Final answer
    x = 55,650.16

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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.