Home / 52,491.30-78,720.80-15,041.33

Finding the Fourth Proportional to 52,491.30, 78,720.80 and 15,041.33

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Solution

The fourth proportional to 52,491.30, 78,720.80 and 15,041.33 is: 22,557.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,491.30 : 78,720.80 = 15,041.33 : x
  2. Step 2: Convert to fraction form
    52,491.30/78,720.80 = 15,041.33/x
  3. Step 3: Cross multiply
    52,491.30x = 78,720.80 × 15,041.33
  4. Step 4: Simplify right side
    52,491.30x = 1,184,065,689.86
  5. Step 5: Solve for x
    x = 1,184,065,689.86/52,491.30
  6. Step 6: Final answer
    x = 22,557.37

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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.