Home / 77,816.48-116,761.18-38,352.07

Finding the Fourth Proportional to 77,816.48, 116,761.18 and 38,352.07

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Solution

The fourth proportional to 77,816.48, 116,761.18 and 38,352.07 is: 57,546.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,816.48 : 116,761.18 = 38,352.07 : x
  2. Step 2: Convert to fraction form
    77,816.48/116,761.18 = 38,352.07/x
  3. Step 3: Cross multiply
    77,816.48x = 116,761.18 × 38,352.07
  4. Step 4: Simplify right side
    77,816.48x = 4,478,032,948.64
  5. Step 5: Solve for x
    x = 4,478,032,948.64/77,816.48
  6. Step 6: Final answer
    x = 57,546.07

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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.