Home / 78,070.47-107,730.97-44,087.23

Finding the Fourth Proportional to 78,070.47, 107,730.97 and 44,087.23

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Solution

The fourth proportional to 78,070.47, 107,730.97 and 44,087.23 is: 60,836.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,070.47 : 107,730.97 = 44,087.23 : x
  2. Step 2: Convert to fraction form
    78,070.47/107,730.97 = 44,087.23/x
  3. Step 3: Cross multiply
    78,070.47x = 107,730.97 × 44,087.23
  4. Step 4: Simplify right side
    78,070.47x = 4,749,559,624.08
  5. Step 5: Solve for x
    x = 4,749,559,624.08/78,070.47
  6. Step 6: Final answer
    x = 60,836.83

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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.