Home / 88,165.31-121,705.37-59,523.77

Finding the Fourth Proportional to 88,165.31, 121,705.37 and 59,523.77

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Solution

The fourth proportional to 88,165.31, 121,705.37 and 59,523.77 is: 82,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,165.31 : 121,705.37 = 59,523.77 : x
  2. Step 2: Convert to fraction form
    88,165.31/121,705.37 = 59,523.77/x
  3. Step 3: Cross multiply
    88,165.31x = 121,705.37 × 59,523.77
  4. Step 4: Simplify right side
    88,165.31x = 7,244,362,451.64
  5. Step 5: Solve for x
    x = 7,244,362,451.64/88,165.31
  6. Step 6: Final answer
    x = 82,167.95

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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.