Home / 78,073.40-107,738.91-44,081.35

Finding the Fourth Proportional to 78,073.40, 107,738.91 and 44,081.35

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Solution

The fourth proportional to 78,073.40, 107,738.91 and 44,081.35 is: 60,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,073.40 : 107,738.91 = 44,081.35 : x
  2. Step 2: Convert to fraction form
    78,073.40/107,738.91 = 44,081.35/x
  3. Step 3: Cross multiply
    78,073.40x = 107,738.91 × 44,081.35
  4. Step 4: Simplify right side
    78,073.40x = 4,749,276,330.98
  5. Step 5: Solve for x
    x = 4,749,276,330.98/78,073.40
  6. Step 6: Final answer
    x = 60,830.91

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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.