Home / 70,342.31-97,063.35-40,125.83

Finding the Fourth Proportional to 70,342.31, 97,063.35 and 40,125.83

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Solution

The fourth proportional to 70,342.31, 97,063.35 and 40,125.83 is: 55,368.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,342.31 : 97,063.35 = 40,125.83 : x
  2. Step 2: Convert to fraction form
    70,342.31/97,063.35 = 40,125.83/x
  3. Step 3: Cross multiply
    70,342.31x = 97,063.35 × 40,125.83
  4. Step 4: Simplify right side
    70,342.31x = 3,894,747,560.80
  5. Step 5: Solve for x
    x = 3,894,747,560.80/70,342.31
  6. Step 6: Final answer
    x = 55,368.49

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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.