Home / 79,537.28-119,303.17-20,373.53

Finding the Fourth Proportional to 79,537.28, 119,303.17 and 20,373.53

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Solution

The fourth proportional to 79,537.28, 119,303.17 and 20,373.53 is: 30,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,537.28 : 119,303.17 = 20,373.53 : x
  2. Step 2: Convert to fraction form
    79,537.28/119,303.17 = 20,373.53/x
  3. Step 3: Cross multiply
    79,537.28x = 119,303.17 × 20,373.53
  4. Step 4: Simplify right side
    79,537.28x = 2,430,626,065.64
  5. Step 5: Solve for x
    x = 2,430,626,065.64/79,537.28
  6. Step 6: Final answer
    x = 30,559.58

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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.