Home / 63,541.12-87,690.72-36,688.54

Finding the Fourth Proportional to 63,541.12, 87,690.72 and 36,688.54

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Solution

The fourth proportional to 63,541.12, 87,690.72 and 36,688.54 is: 50,632.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,541.12 : 87,690.72 = 36,688.54 : x
  2. Step 2: Convert to fraction form
    63,541.12/87,690.72 = 36,688.54/x
  3. Step 3: Cross multiply
    63,541.12x = 87,690.72 × 36,688.54
  4. Step 4: Simplify right side
    63,541.12x = 3,217,244,488.35
  5. Step 5: Solve for x
    x = 3,217,244,488.35/63,541.12
  6. Step 6: Final answer
    x = 50,632.48

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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.