Home / 58,771-87,961.56-53,518.16

Finding the Fourth Proportional to 58,771, 87,961.56 and 53,518.16

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Solution

The fourth proportional to 58,771, 87,961.56 and 53,518.16 is: 80,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,771 : 87,961.56 = 53,518.16 : x
  2. Step 2: Convert to fraction form
    58,771/87,961.56 = 53,518.16/x
  3. Step 3: Cross multiply
    58,771x = 87,961.56 × 53,518.16
  4. Step 4: Simplify right side
    58,771x = 4,707,540,841.93
  5. Step 5: Solve for x
    x = 4,707,540,841.93/58,771
  6. Step 6: Final answer
    x = 80,099.72

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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.