Home / 99,116.11-136,746.95-63,327.07

Finding the Fourth Proportional to 99,116.11, 136,746.95 and 63,327.07

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Solution

The fourth proportional to 99,116.11, 136,746.95 and 63,327.07 is: 87,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,116.11 : 136,746.95 = 63,327.07 : x
  2. Step 2: Convert to fraction form
    99,116.11/136,746.95 = 63,327.07/x
  3. Step 3: Cross multiply
    99,116.11x = 136,746.95 × 63,327.07
  4. Step 4: Simplify right side
    99,116.11x = 8,659,784,002.89
  5. Step 5: Solve for x
    x = 8,659,784,002.89/99,116.11
  6. Step 6: Final answer
    x = 87,370.09

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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.