Home / 109,732.41-151,428.90-61,335.48

Finding the Fourth Proportional to 109,732.41, 151,428.90 and 61,335.48

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Solution

The fourth proportional to 109,732.41, 151,428.90 and 61,335.48 is: 84,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,732.41 : 151,428.90 = 61,335.48 : x
  2. Step 2: Convert to fraction form
    109,732.41/151,428.90 = 61,335.48/x
  3. Step 3: Cross multiply
    109,732.41x = 151,428.90 × 61,335.48
  4. Step 4: Simplify right side
    109,732.41x = 9,287,964,267.37
  5. Step 5: Solve for x
    x = 9,287,964,267.37/109,732.41
  6. Step 6: Final answer
    x = 84,641.94

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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.