Home / 74,247.35-111,369.15-21,657.29

Finding the Fourth Proportional to 74,247.35, 111,369.15 and 21,657.29

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Solution

The fourth proportional to 74,247.35, 111,369.15 and 21,657.29 is: 32,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,247.35 : 111,369.15 = 21,657.29 : x
  2. Step 2: Convert to fraction form
    74,247.35/111,369.15 = 21,657.29/x
  3. Step 3: Cross multiply
    74,247.35x = 111,369.15 × 21,657.29
  4. Step 4: Simplify right side
    74,247.35x = 2,411,953,421.76
  5. Step 5: Solve for x
    x = 2,411,953,421.76/74,247.35
  6. Step 6: Final answer
    x = 32,485.38

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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.