Home / 83,956.84-125,935.10-57,581.62

Finding the Fourth Proportional to 83,956.84, 125,935.10 and 57,581.62

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Solution

The fourth proportional to 83,956.84, 125,935.10 and 57,581.62 is: 86,372.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,956.84 : 125,935.10 = 57,581.62 : x
  2. Step 2: Convert to fraction form
    83,956.84/125,935.10 = 57,581.62/x
  3. Step 3: Cross multiply
    83,956.84x = 125,935.10 × 57,581.62
  4. Step 4: Simplify right side
    83,956.84x = 7,251,547,072.86
  5. Step 5: Solve for x
    x = 7,251,547,072.86/83,956.84
  6. Step 6: Final answer
    x = 86,372.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.