Home / 67,199.94-92,697.35-42,005.70

Finding the Fourth Proportional to 67,199.94, 92,697.35 and 42,005.70

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Solution

The fourth proportional to 67,199.94, 92,697.35 and 42,005.70 is: 57,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,199.94 : 92,697.35 = 42,005.70 : x
  2. Step 2: Convert to fraction form
    67,199.94/92,697.35 = 42,005.70/x
  3. Step 3: Cross multiply
    67,199.94x = 92,697.35 × 42,005.70
  4. Step 4: Simplify right side
    67,199.94x = 3,893,816,864.87
  5. Step 5: Solve for x
    x = 3,893,816,864.87/67,199.94
  6. Step 6: Final answer
    x = 57,943.76

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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.