Home / 90,037.08-135,137.35-47,952.82

Finding the Fourth Proportional to 90,037.08, 135,137.35 and 47,952.82

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Solution

The fourth proportional to 90,037.08, 135,137.35 and 47,952.82 is: 71,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,037.08 : 135,137.35 = 47,952.82 : x
  2. Step 2: Convert to fraction form
    90,037.08/135,137.35 = 47,952.82/x
  3. Step 3: Cross multiply
    90,037.08x = 135,137.35 × 47,952.82
  4. Step 4: Simplify right side
    90,037.08x = 6,480,217,371.29
  5. Step 5: Solve for x
    x = 6,480,217,371.29/90,037.08
  6. Step 6: Final answer
    x = 71,972.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.