Home / 79,079.16-109,174.36-52,299.35

Finding the Fourth Proportional to 79,079.16, 109,174.36 and 52,299.35

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Solution

The fourth proportional to 79,079.16, 109,174.36 and 52,299.35 is: 72,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,079.16 : 109,174.36 = 52,299.35 : x
  2. Step 2: Convert to fraction form
    79,079.16/109,174.36 = 52,299.35/x
  3. Step 3: Cross multiply
    79,079.16x = 109,174.36 × 52,299.35
  4. Step 4: Simplify right side
    79,079.16x = 5,709,748,064.67
  5. Step 5: Solve for x
    x = 5,709,748,064.67/79,079.16
  6. Step 6: Final answer
    x = 72,202.94

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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.