Home / 99,017.81-148,524.26-28,897.73

Finding the Fourth Proportional to 99,017.81, 148,524.26 and 28,897.73

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Solution

The fourth proportional to 99,017.81, 148,524.26 and 28,897.73 is: 43,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,017.81 : 148,524.26 = 28,897.73 : x
  2. Step 2: Convert to fraction form
    99,017.81/148,524.26 = 28,897.73/x
  3. Step 3: Cross multiply
    99,017.81x = 148,524.26 × 28,897.73
  4. Step 4: Simplify right side
    99,017.81x = 4,292,013,076.82
  5. Step 5: Solve for x
    x = 4,292,013,076.82/99,017.81
  6. Step 6: Final answer
    x = 43,345.87

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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.