Home / 109,840.88-151,580.64-59,539.84

Finding the Fourth Proportional to 109,840.88, 151,580.64 and 59,539.84

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Solution

The fourth proportional to 109,840.88, 151,580.64 and 59,539.84 is: 82,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,840.88 : 151,580.64 = 59,539.84 : x
  2. Step 2: Convert to fraction form
    109,840.88/151,580.64 = 59,539.84/x
  3. Step 3: Cross multiply
    109,840.88x = 151,580.64 × 59,539.84
  4. Step 4: Simplify right side
    109,840.88x = 9,025,087,052.70
  5. Step 5: Solve for x
    x = 9,025,087,052.70/109,840.88
  6. Step 6: Final answer
    x = 82,165.10

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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.