Home / 74,328.24-111,509.37-32,215.40

Finding the Fourth Proportional to 74,328.24, 111,509.37 and 32,215.40

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Solution

The fourth proportional to 74,328.24, 111,509.37 and 32,215.40 is: 48,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,328.24 : 111,509.37 = 32,215.40 : x
  2. Step 2: Convert to fraction form
    74,328.24/111,509.37 = 32,215.40/x
  3. Step 3: Cross multiply
    74,328.24x = 111,509.37 × 32,215.40
  4. Step 4: Simplify right side
    74,328.24x = 3,592,318,400.75
  5. Step 5: Solve for x
    x = 3,592,318,400.75/74,328.24
  6. Step 6: Final answer
    x = 48,330.46

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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.