Home / 70,340.22-97,078.73-40,118.61

Finding the Fourth Proportional to 70,340.22, 97,078.73 and 40,118.61

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Solution

The fourth proportional to 70,340.22, 97,078.73 and 40,118.61 is: 55,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,340.22 : 97,078.73 = 40,118.61 : x
  2. Step 2: Convert to fraction form
    70,340.22/97,078.73 = 40,118.61/x
  3. Step 3: Cross multiply
    70,340.22x = 97,078.73 × 40,118.61
  4. Step 4: Simplify right side
    70,340.22x = 3,894,663,708.17
  5. Step 5: Solve for x
    x = 3,894,663,708.17/70,340.22
  6. Step 6: Final answer
    x = 55,368.94

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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.