Home / 67,203.35-92,701.99-42,009.11

Finding the Fourth Proportional to 67,203.35, 92,701.99 and 42,009.11

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Solution

The fourth proportional to 67,203.35, 92,701.99 and 42,009.11 is: 57,948.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,203.35 : 92,701.99 = 42,009.11 : x
  2. Step 2: Convert to fraction form
    67,203.35/92,701.99 = 42,009.11/x
  3. Step 3: Cross multiply
    67,203.35x = 92,701.99 × 42,009.11
  4. Step 4: Simplify right side
    67,203.35x = 3,894,328,095.13
  5. Step 5: Solve for x
    x = 3,894,328,095.13/67,203.35
  6. Step 6: Final answer
    x = 57,948.42

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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.