Home / 75,633.17-113,488.02-31,291.74

Finding the Fourth Proportional to 75,633.17, 113,488.02 and 31,291.74

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Solution

The fourth proportional to 75,633.17, 113,488.02 and 31,291.74 is: 46,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,633.17 : 113,488.02 = 31,291.74 : x
  2. Step 2: Convert to fraction form
    75,633.17/113,488.02 = 31,291.74/x
  3. Step 3: Cross multiply
    75,633.17x = 113,488.02 × 31,291.74
  4. Step 4: Simplify right side
    75,633.17x = 3,551,237,614.95
  5. Step 5: Solve for x
    x = 3,551,237,614.95/75,633.17
  6. Step 6: Final answer
    x = 46,953.44

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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.