Home / 64,397.99-88,913.22-40,235.75

Finding the Fourth Proportional to 64,397.99, 88,913.22 and 40,235.75

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Solution

The fourth proportional to 64,397.99, 88,913.22 and 40,235.75 is: 55,552.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,397.99 : 88,913.22 = 40,235.75 : x
  2. Step 2: Convert to fraction form
    64,397.99/88,913.22 = 40,235.75/x
  3. Step 3: Cross multiply
    64,397.99x = 88,913.22 × 40,235.75
  4. Step 4: Simplify right side
    64,397.99x = 3,577,490,091.62
  5. Step 5: Solve for x
    x = 3,577,490,091.62/64,397.99
  6. Step 6: Final answer
    x = 55,552.82

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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.