Home / 99,040.16-148,306.68-54,617.63

Finding the Fourth Proportional to 99,040.16, 148,306.68 and 54,617.63

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Solution

The fourth proportional to 99,040.16, 148,306.68 and 54,617.63 is: 81,786.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,040.16 : 148,306.68 = 54,617.63 : x
  2. Step 2: Convert to fraction form
    99,040.16/148,306.68 = 54,617.63/x
  3. Step 3: Cross multiply
    99,040.16x = 148,306.68 × 54,617.63
  4. Step 4: Simplify right side
    99,040.16x = 8,100,159,374.77
  5. Step 5: Solve for x
    x = 8,100,159,374.77/99,040.16
  6. Step 6: Final answer
    x = 81,786.61

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1.5x scale

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.