Home / 77,013.36-106,279.92-43,479.36

Finding the Fourth Proportional to 77,013.36, 106,279.92 and 43,479.36

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Solution

The fourth proportional to 77,013.36, 106,279.92 and 43,479.36 is: 60,002.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,013.36 : 106,279.92 = 43,479.36 : x
  2. Step 2: Convert to fraction form
    77,013.36/106,279.92 = 43,479.36/x
  3. Step 3: Cross multiply
    77,013.36x = 106,279.92 × 43,479.36
  4. Step 4: Simplify right side
    77,013.36x = 4,620,982,902.45
  5. Step 5: Solve for x
    x = 4,620,982,902.45/77,013.36
  6. Step 6: Final answer
    x = 60,002.35

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1.5x scale

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.