Home / 70,369.40-97,085.66-40,132.98

Finding the Fourth Proportional to 70,369.40, 97,085.66 and 40,132.98

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Solution

The fourth proportional to 70,369.40, 97,085.66 and 40,132.98 is: 55,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,369.40 : 97,085.66 = 40,132.98 : x
  2. Step 2: Convert to fraction form
    70,369.40/97,085.66 = 40,132.98/x
  3. Step 3: Cross multiply
    70,369.40x = 97,085.66 × 40,132.98
  4. Step 4: Simplify right side
    70,369.40x = 3,896,336,951.40
  5. Step 5: Solve for x
    x = 3,896,336,951.40/70,369.40
  6. Step 6: Final answer
    x = 55,369.76

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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.