Home / 78,271.13-108,014.16-44,743.61

Finding the Fourth Proportional to 78,271.13, 108,014.16 and 44,743.61

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Solution

The fourth proportional to 78,271.13, 108,014.16 and 44,743.61 is: 61,746.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,271.13 : 108,014.16 = 44,743.61 : x
  2. Step 2: Convert to fraction form
    78,271.13/108,014.16 = 44,743.61/x
  3. Step 3: Cross multiply
    78,271.13x = 108,014.16 × 44,743.61
  4. Step 4: Simplify right side
    78,271.13x = 4,832,942,909.45
  5. Step 5: Solve for x
    x = 4,832,942,909.45/78,271.13
  6. Step 6: Final answer
    x = 61,746.18

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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.