Home / 71,875.29-99,091.26-50,336.13

Finding the Fourth Proportional to 71,875.29, 99,091.26 and 50,336.13

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Solution

The fourth proportional to 71,875.29, 99,091.26 and 50,336.13 is: 69,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,875.29 : 99,091.26 = 50,336.13 : x
  2. Step 2: Convert to fraction form
    71,875.29/99,091.26 = 50,336.13/x
  3. Step 3: Cross multiply
    71,875.29x = 99,091.26 × 50,336.13
  4. Step 4: Simplify right side
    71,875.29x = 4,987,870,545.22
  5. Step 5: Solve for x
    x = 4,987,870,545.22/71,875.29
  6. Step 6: Final answer
    x = 69,396.18

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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.