Home / 84,246.84-126,341.10-46,863.72

Finding the Fourth Proportional to 84,246.84, 126,341.10 and 46,863.72

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Solution

The fourth proportional to 84,246.84, 126,341.10 and 46,863.72 is: 70,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,246.84 : 126,341.10 = 46,863.72 : x
  2. Step 2: Convert to fraction form
    84,246.84/126,341.10 = 46,863.72/x
  3. Step 3: Cross multiply
    84,246.84x = 126,341.10 × 46,863.72
  4. Step 4: Simplify right side
    84,246.84x = 5,920,813,934.89
  5. Step 5: Solve for x
    x = 5,920,813,934.89/84,246.84
  6. Step 6: Final answer
    x = 70,279.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.