Home / 70,121.27-96,767.34-38,290.20

Finding the Fourth Proportional to 70,121.27, 96,767.34 and 38,290.20

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Solution

The fourth proportional to 70,121.27, 96,767.34 and 38,290.20 is: 52,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,121.27 : 96,767.34 = 38,290.20 : x
  2. Step 2: Convert to fraction form
    70,121.27/96,767.34 = 38,290.20/x
  3. Step 3: Cross multiply
    70,121.27x = 96,767.34 × 38,290.20
  4. Step 4: Simplify right side
    70,121.27x = 3,705,240,802.07
  5. Step 5: Solve for x
    x = 3,705,240,802.07/70,121.27
  6. Step 6: Final answer
    x = 52,840.47

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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.