Home / 74,250.40-111,470.64-63,787.36

Finding the Fourth Proportional to 74,250.40, 111,470.64 and 63,787.36

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Solution

The fourth proportional to 74,250.40, 111,470.64 and 63,787.36 is: 95,762.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,250.40 : 111,470.64 = 63,787.36 : x
  2. Step 2: Convert to fraction form
    74,250.40/111,470.64 = 63,787.36/x
  3. Step 3: Cross multiply
    74,250.40x = 111,470.64 × 63,787.36
  4. Step 4: Simplify right side
    74,250.40x = 7,110,417,843.11
  5. Step 5: Solve for x
    x = 7,110,417,843.11/74,250.40
  6. Step 6: Final answer
    x = 95,762.69

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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.