Home / 63,275.16-87,317.01-36,399.36

Finding the Fourth Proportional to 63,275.16, 87,317.01 and 36,399.36

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Solution

The fourth proportional to 63,275.16, 87,317.01 and 36,399.36 is: 50,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,275.16 : 87,317.01 = 36,399.36 : x
  2. Step 2: Convert to fraction form
    63,275.16/87,317.01 = 36,399.36/x
  3. Step 3: Cross multiply
    63,275.16x = 87,317.01 × 36,399.36
  4. Step 4: Simplify right side
    63,275.16x = 3,178,283,281.11
  5. Step 5: Solve for x
    x = 3,178,283,281.11/63,275.16
  6. Step 6: Final answer
    x = 50,229.56

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1.5x scale

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.