Home / 76,787.19-106,008.14-53,041.64

Finding the Fourth Proportional to 76,787.19, 106,008.14 and 53,041.64

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Solution

The fourth proportional to 76,787.19, 106,008.14 and 53,041.64 is: 73,226.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,787.19 : 106,008.14 = 53,041.64 : x
  2. Step 2: Convert to fraction form
    76,787.19/106,008.14 = 53,041.64/x
  3. Step 3: Cross multiply
    76,787.19x = 106,008.14 × 53,041.64
  4. Step 4: Simplify right side
    76,787.19x = 5,622,845,201.51
  5. Step 5: Solve for x
    x = 5,622,845,201.51/76,787.19
  6. Step 6: Final answer
    x = 73,226.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.