Home / 79,652.06-109,895.10-45,191.09

Finding the Fourth Proportional to 79,652.06, 109,895.10 and 45,191.09

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Solution

The fourth proportional to 79,652.06, 109,895.10 and 45,191.09 is: 62,349.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,652.06 : 109,895.10 = 45,191.09 : x
  2. Step 2: Convert to fraction form
    79,652.06/109,895.10 = 45,191.09/x
  3. Step 3: Cross multiply
    79,652.06x = 109,895.10 × 45,191.09
  4. Step 4: Simplify right side
    79,652.06x = 4,966,279,354.66
  5. Step 5: Solve for x
    x = 4,966,279,354.66/79,652.06
  6. Step 6: Final answer
    x = 62,349.67

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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.