Home / 108,749.84-150,072.28-61,002.08

Finding the Fourth Proportional to 108,749.84, 150,072.28 and 61,002.08

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Solution

The fourth proportional to 108,749.84, 150,072.28 and 61,002.08 is: 84,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,749.84 : 150,072.28 = 61,002.08 : x
  2. Step 2: Convert to fraction form
    108,749.84/150,072.28 = 61,002.08/x
  3. Step 3: Cross multiply
    108,749.84x = 150,072.28 × 61,002.08
  4. Step 4: Simplify right side
    108,749.84x = 9,154,721,230.34
  5. Step 5: Solve for x
    x = 9,154,721,230.34/108,749.84
  6. Step 6: Final answer
    x = 84,181.47

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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.