Home / 97,515.78-146,279.15-27,389.63

Finding the Fourth Proportional to 97,515.78, 146,279.15 and 27,389.63

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Solution

The fourth proportional to 97,515.78, 146,279.15 and 27,389.63 is: 41,085.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,515.78 : 146,279.15 = 27,389.63 : x
  2. Step 2: Convert to fraction form
    97,515.78/146,279.15 = 27,389.63/x
  3. Step 3: Cross multiply
    97,515.78x = 146,279.15 × 27,389.63
  4. Step 4: Simplify right side
    97,515.78x = 4,006,530,926.87
  5. Step 5: Solve for x
    x = 4,006,530,926.87/97,515.78
  6. Step 6: Final answer
    x = 41,085.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.