Home / 70,335.57-97,065.78-40,125.81

Finding the Fourth Proportional to 70,335.57, 97,065.78 and 40,125.81

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Solution

The fourth proportional to 70,335.57, 97,065.78 and 40,125.81 is: 55,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,335.57 : 97,065.78 = 40,125.81 : x
  2. Step 2: Convert to fraction form
    70,335.57/97,065.78 = 40,125.81/x
  3. Step 3: Cross multiply
    70,335.57x = 97,065.78 × 40,125.81
  4. Step 4: Simplify right side
    70,335.57x = 3,894,843,045.78
  5. Step 5: Solve for x
    x = 3,894,843,045.78/70,335.57
  6. Step 6: Final answer
    x = 55,375.15

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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.