Home / 99,020.52-136,648.35-53,698.49

Finding the Fourth Proportional to 99,020.52, 136,648.35 and 53,698.49

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Solution

The fourth proportional to 99,020.52, 136,648.35 and 53,698.49 is: 74,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,020.52 : 136,648.35 = 53,698.49 : x
  2. Step 2: Convert to fraction form
    99,020.52/136,648.35 = 53,698.49/x
  3. Step 3: Cross multiply
    99,020.52x = 136,648.35 × 53,698.49
  4. Step 4: Simplify right side
    99,020.52x = 7,337,809,372.75
  5. Step 5: Solve for x
    x = 7,337,809,372.75/99,020.52
  6. Step 6: Final answer
    x = 74,103.93

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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.