Home / 63,616.12-87,798.30-38,465.56

Finding the Fourth Proportional to 63,616.12, 87,798.30 and 38,465.56

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Solution

The fourth proportional to 63,616.12, 87,798.30 and 38,465.56 is: 53,087.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,616.12 : 87,798.30 = 38,465.56 : x
  2. Step 2: Convert to fraction form
    63,616.12/87,798.30 = 38,465.56/x
  3. Step 3: Cross multiply
    63,616.12x = 87,798.30 × 38,465.56
  4. Step 4: Simplify right side
    63,616.12x = 3,377,210,776.55
  5. Step 5: Solve for x
    x = 3,377,210,776.55/63,616.12
  6. Step 6: Final answer
    x = 53,087.34

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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.