Home / 79,316.47-109,454.85-43,506.16

Finding the Fourth Proportional to 79,316.47, 109,454.85 and 43,506.16

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Solution

The fourth proportional to 79,316.47, 109,454.85 and 43,506.16 is: 60,037.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,316.47 : 109,454.85 = 43,506.16 : x
  2. Step 2: Convert to fraction form
    79,316.47/109,454.85 = 43,506.16/x
  3. Step 3: Cross multiply
    79,316.47x = 109,454.85 × 43,506.16
  4. Step 4: Simplify right side
    79,316.47x = 4,761,960,216.88
  5. Step 5: Solve for x
    x = 4,761,960,216.88/79,316.47
  6. Step 6: Final answer
    x = 60,037.47

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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.