Home / 84,547.92-126,822.96-40,179

Finding the Fourth Proportional to 84,547.92, 126,822.96 and 40,179

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Solution

The fourth proportional to 84,547.92, 126,822.96 and 40,179 is: 60,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,547.92 : 126,822.96 = 40,179 : x
  2. Step 2: Convert to fraction form
    84,547.92/126,822.96 = 40,179/x
  3. Step 3: Cross multiply
    84,547.92x = 126,822.96 × 40,179
  4. Step 4: Simplify right side
    84,547.92x = 5,095,619,709.84
  5. Step 5: Solve for x
    x = 5,095,619,709.84/84,547.92
  6. Step 6: Final answer
    x = 60,269.01

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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.