Home / 63,319.12-87,357.89-37,807.76

Finding the Fourth Proportional to 63,319.12, 87,357.89 and 37,807.76

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Solution

The fourth proportional to 63,319.12, 87,357.89 and 37,807.76 is: 52,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,319.12 : 87,357.89 = 37,807.76 : x
  2. Step 2: Convert to fraction form
    63,319.12/87,357.89 = 37,807.76/x
  3. Step 3: Cross multiply
    63,319.12x = 87,357.89 × 37,807.76
  4. Step 4: Simplify right side
    63,319.12x = 3,302,806,452.14
  5. Step 5: Solve for x
    x = 3,302,806,452.14/63,319.12
  6. Step 6: Final answer
    x = 52,161.28

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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.