Home / 109,982.76-151,776.60-59,681.76

Finding the Fourth Proportional to 109,982.76, 151,776.60 and 59,681.76

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Solution

The fourth proportional to 109,982.76, 151,776.60 and 59,681.76 is: 82,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,982.76 : 151,776.60 = 59,681.76 : x
  2. Step 2: Convert to fraction form
    109,982.76/151,776.60 = 59,681.76/x
  3. Step 3: Cross multiply
    109,982.76x = 151,776.60 × 59,681.76
  4. Step 4: Simplify right side
    109,982.76x = 9,058,294,614.82
  5. Step 5: Solve for x
    x = 9,058,294,614.82/109,982.76
  6. Step 6: Final answer
    x = 82,361.04

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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.