Home / 64,217.21-88,620.57-40,027.95

Finding the Fourth Proportional to 64,217.21, 88,620.57 and 40,027.95

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Solution

The fourth proportional to 64,217.21, 88,620.57 and 40,027.95 is: 55,239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,217.21 : 88,620.57 = 40,027.95 : x
  2. Step 2: Convert to fraction form
    64,217.21/88,620.57 = 40,027.95/x
  3. Step 3: Cross multiply
    64,217.21x = 88,620.57 × 40,027.95
  4. Step 4: Simplify right side
    64,217.21x = 3,547,299,744.93
  5. Step 5: Solve for x
    x = 3,547,299,744.93/64,217.21
  6. Step 6: Final answer
    x = 55,239.08

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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.