Home / 79,097.19-109,156.86-45,110.82

Finding the Fourth Proportional to 79,097.19, 109,156.86 and 45,110.82

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Solution

The fourth proportional to 79,097.19, 109,156.86 and 45,110.82 is: 62,254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,097.19 : 109,156.86 = 45,110.82 : x
  2. Step 2: Convert to fraction form
    79,097.19/109,156.86 = 45,110.82/x
  3. Step 3: Cross multiply
    79,097.19x = 109,156.86 × 45,110.82
  4. Step 4: Simplify right side
    79,097.19x = 4,924,155,463.23
  5. Step 5: Solve for x
    x = 4,924,155,463.23/79,097.19
  6. Step 6: Final answer
    x = 62,254.49

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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.