Home / 90,595.50-135,931.64-48,464.54

Finding the Fourth Proportional to 90,595.50, 135,931.64 and 48,464.54

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Solution

The fourth proportional to 90,595.50, 135,931.64 and 48,464.54 is: 72,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,595.50 : 135,931.64 = 48,464.54 : x
  2. Step 2: Convert to fraction form
    90,595.50/135,931.64 = 48,464.54/x
  3. Step 3: Cross multiply
    90,595.50x = 135,931.64 × 48,464.54
  4. Step 4: Simplify right side
    90,595.50x = 6,587,864,404.05
  5. Step 5: Solve for x
    x = 6,587,864,404.05/90,595.50
  6. Step 6: Final answer
    x = 72,717.35

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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.