Home / 75,488.40-113,165.64-37,999.44

Finding the Fourth Proportional to 75,488.40, 113,165.64 and 37,999.44

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Solution

The fourth proportional to 75,488.40, 113,165.64 and 37,999.44 is: 56,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,488.40 : 113,165.64 = 37,999.44 : x
  2. Step 2: Convert to fraction form
    75,488.40/113,165.64 = 37,999.44/x
  3. Step 3: Cross multiply
    75,488.40x = 113,165.64 × 37,999.44
  4. Step 4: Simplify right side
    75,488.40x = 4,300,230,947.24
  5. Step 5: Solve for x
    x = 4,300,230,947.24/75,488.40
  6. Step 6: Final answer
    x = 56,965.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.