Home / 99,158.48-136,837-54,446.16

Finding the Fourth Proportional to 99,158.48, 136,837 and 54,446.16

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Solution

The fourth proportional to 99,158.48, 136,837 and 54,446.16 is: 75,134.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,158.48 : 136,837 = 54,446.16 : x
  2. Step 2: Convert to fraction form
    99,158.48/136,837 = 54,446.16/x
  3. Step 3: Cross multiply
    99,158.48x = 136,837 × 54,446.16
  4. Step 4: Simplify right side
    99,158.48x = 7,450,249,195.92
  5. Step 5: Solve for x
    x = 7,450,249,195.92/99,158.48
  6. Step 6: Final answer
    x = 75,134.77

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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.