Home / 72,099.52-99,496.30-40,268.88

Finding the Fourth Proportional to 72,099.52, 99,496.30 and 40,268.88

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Solution

The fourth proportional to 72,099.52, 99,496.30 and 40,268.88 is: 55,570.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,099.52 : 99,496.30 = 40,268.88 : x
  2. Step 2: Convert to fraction form
    72,099.52/99,496.30 = 40,268.88/x
  3. Step 3: Cross multiply
    72,099.52x = 99,496.30 × 40,268.88
  4. Step 4: Simplify right side
    72,099.52x = 4,006,604,565.14
  5. Step 5: Solve for x
    x = 4,006,604,565.14/72,099.52
  6. Step 6: Final answer
    x = 55,570.47

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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.