Home / 74,328.16-111,509.26-32,215.30

Finding the Fourth Proportional to 74,328.16, 111,509.26 and 32,215.30

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Solution

The fourth proportional to 74,328.16, 111,509.26 and 32,215.30 is: 48,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,328.16 : 111,509.26 = 32,215.30 : x
  2. Step 2: Convert to fraction form
    74,328.16/111,509.26 = 32,215.30/x
  3. Step 3: Cross multiply
    74,328.16x = 111,509.26 × 32,215.30
  4. Step 4: Simplify right side
    74,328.16x = 3,592,304,263.68
  5. Step 5: Solve for x
    x = 3,592,304,263.68/74,328.16
  6. Step 6: Final answer
    x = 48,330.33

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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.