Home / 71,109.23-98,131.06-38,844.28

Finding the Fourth Proportional to 71,109.23, 98,131.06 and 38,844.28

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Solution

The fourth proportional to 71,109.23, 98,131.06 and 38,844.28 is: 53,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,109.23 : 98,131.06 = 38,844.28 : x
  2. Step 2: Convert to fraction form
    71,109.23/98,131.06 = 38,844.28/x
  3. Step 3: Cross multiply
    71,109.23x = 98,131.06 × 38,844.28
  4. Step 4: Simplify right side
    71,109.23x = 3,811,830,818.55
  5. Step 5: Solve for x
    x = 3,811,830,818.55/71,109.23
  6. Step 6: Final answer
    x = 53,605.29

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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.