Home / 75,663.59-113,486.16-31,284.58

Finding the Fourth Proportional to 75,663.59, 113,486.16 and 31,284.58

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Solution

The fourth proportional to 75,663.59, 113,486.16 and 31,284.58 is: 46,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,663.59 : 113,486.16 = 31,284.58 : x
  2. Step 2: Convert to fraction form
    75,663.59/113,486.16 = 31,284.58/x
  3. Step 3: Cross multiply
    75,663.59x = 113,486.16 × 31,284.58
  4. Step 4: Simplify right side
    75,663.59x = 3,550,366,897.80
  5. Step 5: Solve for x
    x = 3,550,366,897.80/75,663.59
  6. Step 6: Final answer
    x = 46,923.05

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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.