Home / 71,071.01-98,077.33-39,240.13

Finding the Fourth Proportional to 71,071.01, 98,077.33 and 39,240.13

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Solution

The fourth proportional to 71,071.01, 98,077.33 and 39,240.13 is: 54,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,071.01 : 98,077.33 = 39,240.13 : x
  2. Step 2: Convert to fraction form
    71,071.01/98,077.33 = 39,240.13/x
  3. Step 3: Cross multiply
    71,071.01x = 98,077.33 × 39,240.13
  4. Step 4: Simplify right side
    71,071.01x = 3,848,566,983.05
  5. Step 5: Solve for x
    x = 3,848,566,983.05/71,071.01
  6. Step 6: Final answer
    x = 54,151.01

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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.