Home / 99,056.28-148,635.38-65,799.32

Finding the Fourth Proportional to 99,056.28, 148,635.38 and 65,799.32

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Solution

The fourth proportional to 99,056.28, 148,635.38 and 65,799.32 is: 98,732.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,056.28 : 148,635.38 = 65,799.32 : x
  2. Step 2: Convert to fraction form
    99,056.28/148,635.38 = 65,799.32/x
  3. Step 3: Cross multiply
    99,056.28x = 148,635.38 × 65,799.32
  4. Step 4: Simplify right side
    99,056.28x = 9,780,106,931.94
  5. Step 5: Solve for x
    x = 9,780,106,931.94/99,056.28
  6. Step 6: Final answer
    x = 98,732.83

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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.