Home / 77,004.66-106,265.28-43,013.76

Finding the Fourth Proportional to 77,004.66, 106,265.28 and 43,013.76

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Solution

The fourth proportional to 77,004.66, 106,265.28 and 43,013.76 is: 59,358.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,004.66 : 106,265.28 = 43,013.76 : x
  2. Step 2: Convert to fraction form
    77,004.66/106,265.28 = 43,013.76/x
  3. Step 3: Cross multiply
    77,004.66x = 106,265.28 × 43,013.76
  4. Step 4: Simplify right side
    77,004.66x = 4,570,869,250.25
  5. Step 5: Solve for x
    x = 4,570,869,250.25/77,004.66
  6. Step 6: Final answer
    x = 59,358.35

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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.