Home / 73,207.84-108,869.96-70,875.04

Finding the Fourth Proportional to 73,207.84, 108,869.96 and 70,875.04

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Solution

The fourth proportional to 73,207.84, 108,869.96 and 70,875.04 is: 105,400.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,207.84 : 108,869.96 = 70,875.04 : x
  2. Step 2: Convert to fraction form
    73,207.84/108,869.96 = 70,875.04/x
  3. Step 3: Cross multiply
    73,207.84x = 108,869.96 × 70,875.04
  4. Step 4: Simplify right side
    73,207.84x = 7,716,162,769.80
  5. Step 5: Solve for x
    x = 7,716,162,769.80/73,207.84
  6. Step 6: Final answer
    x = 105,400.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.