Home / 79,047.29-109,082.70-43,237.60

Finding the Fourth Proportional to 79,047.29, 109,082.70 and 43,237.60

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Solution

The fourth proportional to 79,047.29, 109,082.70 and 43,237.60 is: 59,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,047.29 : 109,082.70 = 43,237.60 : x
  2. Step 2: Convert to fraction form
    79,047.29/109,082.70 = 43,237.60/x
  3. Step 3: Cross multiply
    79,047.29x = 109,082.70 × 43,237.60
  4. Step 4: Simplify right side
    79,047.29x = 4,716,473,876.81
  5. Step 5: Solve for x
    x = 4,716,473,876.81/79,047.29
  6. Step 6: Final answer
    x = 59,666.48

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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.