Home / 70,344.06-97,065.76-40,127.58

Finding the Fourth Proportional to 70,344.06, 97,065.76 and 40,127.58

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Solution

The fourth proportional to 70,344.06, 97,065.76 and 40,127.58 is: 55,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,344.06 : 97,065.76 = 40,127.58 : x
  2. Step 2: Convert to fraction form
    70,344.06/97,065.76 = 40,127.58/x
  3. Step 3: Cross multiply
    70,344.06x = 97,065.76 × 40,127.58
  4. Step 4: Simplify right side
    70,344.06x = 3,895,014,049.66
  5. Step 5: Solve for x
    x = 3,895,014,049.66/70,344.06
  6. Step 6: Final answer
    x = 55,370.90

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1.5x scale

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.