Home / 79,345.53-109,500.26-47,508.35

Finding the Fourth Proportional to 79,345.53, 109,500.26 and 47,508.35

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Solution

The fourth proportional to 79,345.53, 109,500.26 and 47,508.35 is: 65,563.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,345.53 : 109,500.26 = 47,508.35 : x
  2. Step 2: Convert to fraction form
    79,345.53/109,500.26 = 47,508.35/x
  3. Step 3: Cross multiply
    79,345.53x = 109,500.26 × 47,508.35
  4. Step 4: Simplify right side
    79,345.53x = 5,202,175,892.13
  5. Step 5: Solve for x
    x = 5,202,175,892.13/79,345.53
  6. Step 6: Final answer
    x = 65,563.57

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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.