Home / 79,355.85-109,507.30-43,545.07

Finding the Fourth Proportional to 79,355.85, 109,507.30 and 43,545.07

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Solution

The fourth proportional to 79,355.85, 109,507.30 and 43,545.07 is: 60,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,355.85 : 109,507.30 = 43,545.07 : x
  2. Step 2: Convert to fraction form
    79,355.85/109,507.30 = 43,545.07/x
  3. Step 3: Cross multiply
    79,355.85x = 109,507.30 × 43,545.07
  4. Step 4: Simplify right side
    79,355.85x = 4,768,503,044.01
  5. Step 5: Solve for x
    x = 4,768,503,044.01/79,355.85
  6. Step 6: Final answer
    x = 60,090.13

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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.