Home / 97,481.10-134,586.45-79,618.98

Finding the Fourth Proportional to 97,481.10, 134,586.45 and 79,618.98

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Solution

The fourth proportional to 97,481.10, 134,586.45 and 79,618.98 is: 109,925.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,481.10 : 134,586.45 = 79,618.98 : x
  2. Step 2: Convert to fraction form
    97,481.10/134,586.45 = 79,618.98/x
  3. Step 3: Cross multiply
    97,481.10x = 134,586.45 × 79,618.98
  4. Step 4: Simplify right side
    97,481.10x = 10,715,635,870.82
  5. Step 5: Solve for x
    x = 10,715,635,870.82/97,481.10
  6. Step 6: Final answer
    x = 109,925.27

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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.