Home / 75,054.21-112,581.28-28,296.15

Finding the Fourth Proportional to 75,054.21, 112,581.28 and 28,296.15

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Solution

The fourth proportional to 75,054.21, 112,581.28 and 28,296.15 is: 42,444.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,054.21 : 112,581.28 = 28,296.15 : x
  2. Step 2: Convert to fraction form
    75,054.21/112,581.28 = 28,296.15/x
  3. Step 3: Cross multiply
    75,054.21x = 112,581.28 × 28,296.15
  4. Step 4: Simplify right side
    75,054.21x = 3,185,616,786.07
  5. Step 5: Solve for x
    x = 3,185,616,786.07/75,054.21
  6. Step 6: Final answer
    x = 42,444.21

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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.