Home / 78,968.93-108,977.13-44,980.58

Finding the Fourth Proportional to 78,968.93, 108,977.13 and 44,980.58

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Solution

The fourth proportional to 78,968.93, 108,977.13 and 44,980.58 is: 62,073.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,968.93 : 108,977.13 = 44,980.58 : x
  2. Step 2: Convert to fraction form
    78,968.93/108,977.13 = 44,980.58/x
  3. Step 3: Cross multiply
    78,968.93x = 108,977.13 × 44,980.58
  4. Step 4: Simplify right side
    78,968.93x = 4,901,854,786.58
  5. Step 5: Solve for x
    x = 4,901,854,786.58/78,968.93
  6. Step 6: Final answer
    x = 62,073.21

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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.