Home / 75,236.76-103,758.30-54,008.28

Finding the Fourth Proportional to 75,236.76, 103,758.30 and 54,008.28

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Solution

The fourth proportional to 75,236.76, 103,758.30 and 54,008.28 is: 74,482.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,236.76 : 103,758.30 = 54,008.28 : x
  2. Step 2: Convert to fraction form
    75,236.76/103,758.30 = 54,008.28/x
  3. Step 3: Cross multiply
    75,236.76x = 103,758.30 × 54,008.28
  4. Step 4: Simplify right side
    75,236.76x = 5,603,807,318.72
  5. Step 5: Solve for x
    x = 5,603,807,318.72/75,236.76
  6. Step 6: Final answer
    x = 74,482.31

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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.