Home / 99,222.10-136,874.00-62,859.40

Finding the Fourth Proportional to 99,222.10, 136,874.00 and 62,859.40

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Solution

The fourth proportional to 99,222.10, 136,874.00 and 62,859.40 is: 86,712.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,222.10 : 136,874.00 = 62,859.40 : x
  2. Step 2: Convert to fraction form
    99,222.10/136,874.00 = 62,859.40/x
  3. Step 3: Cross multiply
    99,222.10x = 136,874.00 × 62,859.40
  4. Step 4: Simplify right side
    99,222.10x = 8,603,817,330.56
  5. Step 5: Solve for x
    x = 8,603,817,330.56/99,222.10
  6. Step 6: Final answer
    x = 86,712.71

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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.