Home / 99,081.35-136,671.78-58,768.11

Finding the Fourth Proportional to 99,081.35, 136,671.78 and 58,768.11

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Solution

The fourth proportional to 99,081.35, 136,671.78 and 58,768.11 is: 81,064.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,081.35 : 136,671.78 = 58,768.11 : x
  2. Step 2: Convert to fraction form
    99,081.35/136,671.78 = 58,768.11/x
  3. Step 3: Cross multiply
    99,081.35x = 136,671.78 × 58,768.11
  4. Step 4: Simplify right side
    99,081.35x = 8,031,941,871.64
  5. Step 5: Solve for x
    x = 8,031,941,871.64/99,081.35
  6. Step 6: Final answer
    x = 81,064.11

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1.5x scale

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.