Home / 42,195.03-63,222.40-29,688.81

Finding the Fourth Proportional to 42,195.03, 63,222.40 and 29,688.81

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Solution

The fourth proportional to 42,195.03, 63,222.40 and 29,688.81 is: 44,483.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,195.03 : 63,222.40 = 29,688.81 : x
  2. Step 2: Convert to fraction form
    42,195.03/63,222.40 = 29,688.81/x
  3. Step 3: Cross multiply
    42,195.03x = 63,222.40 × 29,688.81
  4. Step 4: Simplify right side
    42,195.03x = 1,876,997,821.34
  5. Step 5: Solve for x
    x = 1,876,997,821.34/42,195.03
  6. Step 6: Final answer
    x = 44,483.86

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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.