Home / 99,297.90-137,017.58-58,996.96

Finding the Fourth Proportional to 99,297.90, 137,017.58 and 58,996.96

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Solution

The fourth proportional to 99,297.90, 137,017.58 and 58,996.96 is: 81,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,297.90 : 137,017.58 = 58,996.96 : x
  2. Step 2: Convert to fraction form
    99,297.90/137,017.58 = 58,996.96/x
  3. Step 3: Cross multiply
    99,297.90x = 137,017.58 × 58,996.96
  4. Step 4: Simplify right side
    99,297.90x = 8,083,620,049.03
  5. Step 5: Solve for x
    x = 8,083,620,049.03/99,297.90
  6. Step 6: Final answer
    x = 81,407.76

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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.