Home / 106,979.84-147,616.50-59,233.08

Finding the Fourth Proportional to 106,979.84, 147,616.50 and 59,233.08

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Solution

The fourth proportional to 106,979.84, 147,616.50 and 59,233.08 is: 81,732.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,979.84 : 147,616.50 = 59,233.08 : x
  2. Step 2: Convert to fraction form
    106,979.84/147,616.50 = 59,233.08/x
  3. Step 3: Cross multiply
    106,979.84x = 147,616.50 × 59,233.08
  4. Step 4: Simplify right side
    106,979.84x = 8,743,779,953.82
  5. Step 5: Solve for x
    x = 8,743,779,953.82/106,979.84
  6. Step 6: Final answer
    x = 81,732.97

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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.