Home / 99,394.11-136,974.92-71,050.59

Finding the Fourth Proportional to 99,394.11, 136,974.92 and 71,050.59

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Solution

The fourth proportional to 99,394.11, 136,974.92 and 71,050.59 is: 97,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,394.11 : 136,974.92 = 71,050.59 : x
  2. Step 2: Convert to fraction form
    99,394.11/136,974.92 = 71,050.59/x
  3. Step 3: Cross multiply
    99,394.11x = 136,974.92 × 71,050.59
  4. Step 4: Simplify right side
    99,394.11x = 9,732,148,525.95
  5. Step 5: Solve for x
    x = 9,732,148,525.95/99,394.11
  6. Step 6: Final answer
    x = 97,914.74

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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.