Home / 71,501.12-98,685.90-41,291.36

Finding the Fourth Proportional to 71,501.12, 98,685.90 and 41,291.36

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Solution

The fourth proportional to 71,501.12, 98,685.90 and 41,291.36 is: 56,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,501.12 : 98,685.90 = 41,291.36 : x
  2. Step 2: Convert to fraction form
    71,501.12/98,685.90 = 41,291.36/x
  3. Step 3: Cross multiply
    71,501.12x = 98,685.90 × 41,291.36
  4. Step 4: Simplify right side
    71,501.12x = 4,074,875,023.82
  5. Step 5: Solve for x
    x = 4,074,875,023.82/71,501.12
  6. Step 6: Final answer
    x = 56,990.37

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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.