Home / 74,328.53-111,509.81-32,215.65

Finding the Fourth Proportional to 74,328.53, 111,509.81 and 32,215.65

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Solution

The fourth proportional to 74,328.53, 111,509.81 and 32,215.65 is: 48,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,328.53 : 111,509.81 = 32,215.65 : x
  2. Step 2: Convert to fraction form
    74,328.53/111,509.81 = 32,215.65/x
  3. Step 3: Cross multiply
    74,328.53x = 111,509.81 × 32,215.65
  4. Step 4: Simplify right side
    74,328.53x = 3,592,360,849.45
  5. Step 5: Solve for x
    x = 3,592,360,849.45/74,328.53
  6. Step 6: Final answer
    x = 48,330.85

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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.