Home / 70,660.98-97,513.29-40,446.18

Finding the Fourth Proportional to 70,660.98, 97,513.29 and 40,446.18

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Solution

The fourth proportional to 70,660.98, 97,513.29 and 40,446.18 is: 55,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,660.98 : 97,513.29 = 40,446.18 : x
  2. Step 2: Convert to fraction form
    70,660.98/97,513.29 = 40,446.18/x
  3. Step 3: Cross multiply
    70,660.98x = 97,513.29 × 40,446.18
  4. Step 4: Simplify right side
    70,660.98x = 3,944,040,079.73
  5. Step 5: Solve for x
    x = 3,944,040,079.73/70,660.98
  6. Step 6: Final answer
    x = 55,816.38

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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.