Home / 67,389.29-92,993.90-40,526.58

Finding the Fourth Proportional to 67,389.29, 92,993.90 and 40,526.58

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Solution

The fourth proportional to 67,389.29, 92,993.90 and 40,526.58 is: 55,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,389.29 : 92,993.90 = 40,526.58 : x
  2. Step 2: Convert to fraction form
    67,389.29/92,993.90 = 40,526.58/x
  3. Step 3: Cross multiply
    67,389.29x = 92,993.90 × 40,526.58
  4. Step 4: Simplify right side
    67,389.29x = 3,768,724,727.86
  5. Step 5: Solve for x
    x = 3,768,724,727.86/67,389.29
  6. Step 6: Final answer
    x = 55,924.68

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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.