Home / 98,740.56-148,431.60-79,232.52

Finding the Fourth Proportional to 98,740.56, 148,431.60 and 79,232.52

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Solution

The fourth proportional to 98,740.56, 148,431.60 and 79,232.52 is: 119,106.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,740.56 : 148,431.60 = 79,232.52 : x
  2. Step 2: Convert to fraction form
    98,740.56/148,431.60 = 79,232.52/x
  3. Step 3: Cross multiply
    98,740.56x = 148,431.60 × 79,232.52
  4. Step 4: Simplify right side
    98,740.56x = 11,760,609,715.63
  5. Step 5: Solve for x
    x = 11,760,609,715.63/98,740.56
  6. Step 6: Final answer
    x = 119,106.17

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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.