Home / 67,314.74-92,881.53-40,447.44

Finding the Fourth Proportional to 67,314.74, 92,881.53 and 40,447.44

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Solution

The fourth proportional to 67,314.74, 92,881.53 and 40,447.44 is: 55,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,314.74 : 92,881.53 = 40,447.44 : x
  2. Step 2: Convert to fraction form
    67,314.74/92,881.53 = 40,447.44/x
  3. Step 3: Cross multiply
    67,314.74x = 92,881.53 × 40,447.44
  4. Step 4: Simplify right side
    67,314.74x = 3,756,820,111.78
  5. Step 5: Solve for x
    x = 3,756,820,111.78/67,314.74
  6. Step 6: Final answer
    x = 55,809.77

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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.