Home / 99,013.50-136,647.27-54,310.14

Finding the Fourth Proportional to 99,013.50, 136,647.27 and 54,310.14

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Solution

The fourth proportional to 99,013.50, 136,647.27 and 54,310.14 is: 74,952.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,013.50 : 136,647.27 = 54,310.14 : x
  2. Step 2: Convert to fraction form
    99,013.50/136,647.27 = 54,310.14/x
  3. Step 3: Cross multiply
    99,013.50x = 136,647.27 × 54,310.14
  4. Step 4: Simplify right side
    99,013.50x = 7,421,332,364.32
  5. Step 5: Solve for x
    x = 7,421,332,364.32/99,013.50
  6. Step 6: Final answer
    x = 74,952.73

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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.