Home / 70,343.57-97,081.92-40,136.36

Finding the Fourth Proportional to 70,343.57, 97,081.92 and 40,136.36

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Solution

The fourth proportional to 70,343.57, 97,081.92 and 40,136.36 is: 55,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,343.57 : 97,081.92 = 40,136.36 : x
  2. Step 2: Convert to fraction form
    70,343.57/97,081.92 = 40,136.36/x
  3. Step 3: Cross multiply
    70,343.57x = 97,081.92 × 40,136.36
  4. Step 4: Simplify right side
    70,343.57x = 3,896,514,405.20
  5. Step 5: Solve for x
    x = 3,896,514,405.20/70,343.57
  6. Step 6: Final answer
    x = 55,392.62

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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.