Home / 83,020.14-114,290.70-79,207.07

Finding the Fourth Proportional to 83,020.14, 114,290.70 and 79,207.07

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Solution

The fourth proportional to 83,020.14, 114,290.70 and 79,207.07 is: 109,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,020.14 : 114,290.70 = 79,207.07 : x
  2. Step 2: Convert to fraction form
    83,020.14/114,290.70 = 79,207.07/x
  3. Step 3: Cross multiply
    83,020.14x = 114,290.70 × 79,207.07
  4. Step 4: Simplify right side
    83,020.14x = 9,052,630,606.77
  5. Step 5: Solve for x
    x = 9,052,630,606.77/83,020.14
  6. Step 6: Final answer
    x = 109,041.38

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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.