Home / 79,561.31-119,182.10-36,806.81

Finding the Fourth Proportional to 79,561.31, 119,182.10 and 36,806.81

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Solution

The fourth proportional to 79,561.31, 119,182.10 and 36,806.81 is: 55,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,561.31 : 119,182.10 = 36,806.81 : x
  2. Step 2: Convert to fraction form
    79,561.31/119,182.10 = 36,806.81/x
  3. Step 3: Cross multiply
    79,561.31x = 119,182.10 × 36,806.81
  4. Step 4: Simplify right side
    79,561.31x = 4,386,712,130.16
  5. Step 5: Solve for x
    x = 4,386,712,130.16/79,561.31
  6. Step 6: Final answer
    x = 55,136.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.