Home / 71,132.22-98,164.45-39,303.17

Finding the Fourth Proportional to 71,132.22, 98,164.45 and 39,303.17

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Solution

The fourth proportional to 71,132.22, 98,164.45 and 39,303.17 is: 54,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,132.22 : 98,164.45 = 39,303.17 : x
  2. Step 2: Convert to fraction form
    71,132.22/98,164.45 = 39,303.17/x
  3. Step 3: Cross multiply
    71,132.22x = 98,164.45 × 39,303.17
  4. Step 4: Simplify right side
    71,132.22x = 3,858,174,213.46
  5. Step 5: Solve for x
    x = 3,858,174,213.46/71,132.22
  6. Step 6: Final answer
    x = 54,239.47

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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.