Home / 109,676.16-151,356.60-67,277.52

Finding the Fourth Proportional to 109,676.16, 151,356.60 and 67,277.52

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Solution

The fourth proportional to 109,676.16, 151,356.60 and 67,277.52 is: 92,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,676.16 : 151,356.60 = 67,277.52 : x
  2. Step 2: Convert to fraction form
    109,676.16/151,356.60 = 67,277.52/x
  3. Step 3: Cross multiply
    109,676.16x = 151,356.60 × 67,277.52
  4. Step 4: Simplify right side
    109,676.16x = 10,182,896,683.63
  5. Step 5: Solve for x
    x = 10,182,896,683.63/109,676.16
  6. Step 6: Final answer
    x = 92,845.12

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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.