Home / 79,082.01-109,135.80-43,271.24

Finding the Fourth Proportional to 79,082.01, 109,135.80 and 43,271.24

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Solution

The fourth proportional to 79,082.01, 109,135.80 and 43,271.24 is: 59,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,082.01 : 109,135.80 = 43,271.24 : x
  2. Step 2: Convert to fraction form
    79,082.01/109,135.80 = 43,271.24/x
  3. Step 3: Cross multiply
    79,082.01x = 109,135.80 × 43,271.24
  4. Step 4: Simplify right side
    79,082.01x = 4,722,440,848.71
  5. Step 5: Solve for x
    x = 4,722,440,848.71/79,082.01
  6. Step 6: Final answer
    x = 59,715.74

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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.