Home / 68,880.89-95,066.01-42,038.97

Finding the Fourth Proportional to 68,880.89, 95,066.01 and 42,038.97

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Solution

The fourth proportional to 68,880.89, 95,066.01 and 42,038.97 is: 58,020.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,880.89 : 95,066.01 = 42,038.97 : x
  2. Step 2: Convert to fraction form
    68,880.89/95,066.01 = 42,038.97/x
  3. Step 3: Cross multiply
    68,880.89x = 95,066.01 × 42,038.97
  4. Step 4: Simplify right side
    68,880.89x = 3,996,476,699.34
  5. Step 5: Solve for x
    x = 3,996,476,699.34/68,880.89
  6. Step 6: Final answer
    x = 58,020.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.