Home / 90,058.72-135,126.96-48,497.44

Finding the Fourth Proportional to 90,058.72, 135,126.96 and 48,497.44

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Solution

The fourth proportional to 90,058.72, 135,126.96 and 48,497.44 is: 72,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,058.72 : 135,126.96 = 48,497.44 : x
  2. Step 2: Convert to fraction form
    90,058.72/135,126.96 = 48,497.44/x
  3. Step 3: Cross multiply
    90,058.72x = 135,126.96 × 48,497.44
  4. Step 4: Simplify right side
    90,058.72x = 6,553,311,634.98
  5. Step 5: Solve for x
    x = 6,553,311,634.98/90,058.72
  6. Step 6: Final answer
    x = 72,767.10

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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.