Home / 77,279.26-106,645.36-47,064.58

Finding the Fourth Proportional to 77,279.26, 106,645.36 and 47,064.58

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Solution

The fourth proportional to 77,279.26, 106,645.36 and 47,064.58 is: 64,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,279.26 : 106,645.36 = 47,064.58 : x
  2. Step 2: Convert to fraction form
    77,279.26/106,645.36 = 47,064.58/x
  3. Step 3: Cross multiply
    77,279.26x = 106,645.36 × 47,064.58
  4. Step 4: Simplify right side
    77,279.26x = 5,019,219,077.35
  5. Step 5: Solve for x
    x = 5,019,219,077.35/77,279.26
  6. Step 6: Final answer
    x = 64,949.11

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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.