Home / 92,827.32-139,121.82-42,189.36

Finding the Fourth Proportional to 92,827.32, 139,121.82 and 42,189.36

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Solution

The fourth proportional to 92,827.32, 139,121.82 and 42,189.36 is: 63,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,827.32 : 139,121.82 = 42,189.36 : x
  2. Step 2: Convert to fraction form
    92,827.32/139,121.82 = 42,189.36/x
  3. Step 3: Cross multiply
    92,827.32x = 139,121.82 × 42,189.36
  4. Step 4: Simplify right side
    92,827.32x = 5,869,460,547.84
  5. Step 5: Solve for x
    x = 5,869,460,547.84/92,827.32
  6. Step 6: Final answer
    x = 63,229.88

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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.