Home / 86,895.43-119,853.85-79,748.42

Finding the Fourth Proportional to 86,895.43, 119,853.85 and 79,748.42

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Solution

The fourth proportional to 86,895.43, 119,853.85 and 79,748.42 is: 109,996.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,895.43 : 119,853.85 = 79,748.42 : x
  2. Step 2: Convert to fraction form
    86,895.43/119,853.85 = 79,748.42/x
  3. Step 3: Cross multiply
    86,895.43x = 119,853.85 × 79,748.42
  4. Step 4: Simplify right side
    86,895.43x = 9,558,154,769.67
  5. Step 5: Solve for x
    x = 9,558,154,769.67/86,895.43
  6. Step 6: Final answer
    x = 109,996.06

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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.