Home / 67,112.48-92,617.80-38,436.68

Finding the Fourth Proportional to 67,112.48, 92,617.80 and 38,436.68

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Solution

The fourth proportional to 67,112.48, 92,617.80 and 38,436.68 is: 53,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,112.48 : 92,617.80 = 38,436.68 : x
  2. Step 2: Convert to fraction form
    67,112.48/92,617.80 = 38,436.68/x
  3. Step 3: Cross multiply
    67,112.48x = 92,617.80 × 38,436.68
  4. Step 4: Simplify right side
    67,112.48x = 3,559,920,740.90
  5. Step 5: Solve for x
    x = 3,559,920,740.90/67,112.48
  6. Step 6: Final answer
    x = 53,044.09

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1.5x scale

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.