Home / 63,790.38-88,030.72-36,934.28

Finding the Fourth Proportional to 63,790.38, 88,030.72 and 36,934.28

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Solution

The fourth proportional to 63,790.38, 88,030.72 and 36,934.28 is: 50,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,790.38 : 88,030.72 = 36,934.28 : x
  2. Step 2: Convert to fraction form
    63,790.38/88,030.72 = 36,934.28/x
  3. Step 3: Cross multiply
    63,790.38x = 88,030.72 × 36,934.28
  4. Step 4: Simplify right side
    63,790.38x = 3,251,351,261.08
  5. Step 5: Solve for x
    x = 3,251,351,261.08/63,790.38
  6. Step 6: Final answer
    x = 50,969.30

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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.