Home / 77,799.45-116,705.31-38,335.05

Finding the Fourth Proportional to 77,799.45, 116,705.31 and 38,335.05

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Solution

The fourth proportional to 77,799.45, 116,705.31 and 38,335.05 is: 57,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,799.45 : 116,705.31 = 38,335.05 : x
  2. Step 2: Convert to fraction form
    77,799.45/116,705.31 = 38,335.05/x
  3. Step 3: Cross multiply
    77,799.45x = 116,705.31 × 38,335.05
  4. Step 4: Simplify right side
    77,799.45x = 4,473,903,894.12
  5. Step 5: Solve for x
    x = 4,473,903,894.12/77,799.45
  6. Step 6: Final answer
    x = 57,505.60

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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.