Home / 109,729.52-151,426.72-59,428.52

Finding the Fourth Proportional to 109,729.52, 151,426.72 and 59,428.52

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Solution

The fourth proportional to 109,729.52, 151,426.72 and 59,428.52 is: 82,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,729.52 : 151,426.72 = 59,428.52 : x
  2. Step 2: Convert to fraction form
    109,729.52/151,426.72 = 59,428.52/x
  3. Step 3: Cross multiply
    109,729.52x = 151,426.72 × 59,428.52
  4. Step 4: Simplify right side
    109,729.52x = 8,999,065,858.05
  5. Step 5: Solve for x
    x = 8,999,065,858.05/109,729.52
  6. Step 6: Final answer
    x = 82,011.35

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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.