Home / 79,146.16-109,218.96-47,296.24

Finding the Fourth Proportional to 79,146.16, 109,218.96 and 47,296.24

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Solution

The fourth proportional to 79,146.16, 109,218.96 and 47,296.24 is: 65,267.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,146.16 : 109,218.96 = 47,296.24 : x
  2. Step 2: Convert to fraction form
    79,146.16/109,218.96 = 47,296.24/x
  3. Step 3: Cross multiply
    79,146.16x = 109,218.96 × 47,296.24
  4. Step 4: Simplify right side
    79,146.16x = 5,165,646,144.71
  5. Step 5: Solve for x
    x = 5,165,646,144.71/79,146.16
  6. Step 6: Final answer
    x = 65,267.17

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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.