Home / 86,290.29-119,117.34-58,012.38

Finding the Fourth Proportional to 86,290.29, 119,117.34 and 58,012.38

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Solution

The fourth proportional to 86,290.29, 119,117.34 and 58,012.38 is: 80,081.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,290.29 : 119,117.34 = 58,012.38 : x
  2. Step 2: Convert to fraction form
    86,290.29/119,117.34 = 58,012.38/x
  3. Step 3: Cross multiply
    86,290.29x = 119,117.34 × 58,012.38
  4. Step 4: Simplify right side
    86,290.29x = 6,910,280,392.67
  5. Step 5: Solve for x
    x = 6,910,280,392.67/86,290.29
  6. Step 6: Final answer
    x = 80,081.78

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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.