Home / 79,423.08-109,595.67-47,591.16

Finding the Fourth Proportional to 79,423.08, 109,595.67 and 47,591.16

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Solution

The fourth proportional to 79,423.08, 109,595.67 and 47,591.16 is: 65,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,423.08 : 109,595.67 = 47,591.16 : x
  2. Step 2: Convert to fraction form
    79,423.08/109,595.67 = 47,591.16/x
  3. Step 3: Cross multiply
    79,423.08x = 109,595.67 × 47,591.16
  4. Step 4: Simplify right side
    79,423.08x = 5,215,785,066.28
  5. Step 5: Solve for x
    x = 5,215,785,066.28/79,423.08
  6. Step 6: Final answer
    x = 65,670.90

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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.