Home / 68,254.40-94,249.23-42,803.57

Finding the Fourth Proportional to 68,254.40, 94,249.23 and 42,803.57

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Solution

The fourth proportional to 68,254.40, 94,249.23 and 42,803.57 is: 59,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,254.40 : 94,249.23 = 42,803.57 : x
  2. Step 2: Convert to fraction form
    68,254.40/94,249.23 = 42,803.57/x
  3. Step 3: Cross multiply
    68,254.40x = 94,249.23 × 42,803.57
  4. Step 4: Simplify right side
    68,254.40x = 4,034,203,513.75
  5. Step 5: Solve for x
    x = 4,034,203,513.75/68,254.40
  6. Step 6: Final answer
    x = 59,105.40

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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.