Home / 71,121.15-98,143.25-44,262.81

Finding the Fourth Proportional to 71,121.15, 98,143.25 and 44,262.81

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Solution

The fourth proportional to 71,121.15, 98,143.25 and 44,262.81 is: 61,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,121.15 : 98,143.25 = 44,262.81 : x
  2. Step 2: Convert to fraction form
    71,121.15/98,143.25 = 44,262.81/x
  3. Step 3: Cross multiply
    71,121.15x = 98,143.25 × 44,262.81
  4. Step 4: Simplify right side
    71,121.15x = 4,344,095,806.22
  5. Step 5: Solve for x
    x = 4,344,095,806.22/71,121.15
  6. Step 6: Final answer
    x = 61,080.22

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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.