Home / 75,525.21-113,238.14-42,248.79

Finding the Fourth Proportional to 75,525.21, 113,238.14 and 42,248.79

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Solution

The fourth proportional to 75,525.21, 113,238.14 and 42,248.79 is: 63,345.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,525.21 : 113,238.14 = 42,248.79 : x
  2. Step 2: Convert to fraction form
    75,525.21/113,238.14 = 42,248.79/x
  3. Step 3: Cross multiply
    75,525.21x = 113,238.14 × 42,248.79
  4. Step 4: Simplify right side
    75,525.21x = 4,784,174,185.61
  5. Step 5: Solve for x
    x = 4,784,174,185.61/75,525.21
  6. Step 6: Final answer
    x = 63,345.39

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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.