Home / 79,746.92-110,038.74-45,286.28

Finding the Fourth Proportional to 79,746.92, 110,038.74 and 45,286.28

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Solution

The fourth proportional to 79,746.92, 110,038.74 and 45,286.28 is: 62,488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746.92 : 110,038.74 = 45,286.28 : x
  2. Step 2: Convert to fraction form
    79,746.92/110,038.74 = 45,286.28/x
  3. Step 3: Cross multiply
    79,746.92x = 110,038.74 × 45,286.28
  4. Step 4: Simplify right side
    79,746.92x = 4,983,245,190.49
  5. Step 5: Solve for x
    x = 4,983,245,190.49/79,746.92
  6. Step 6: Final answer
    x = 62,488.25

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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.