Home / 98,772.38-148,071.10-39,567.56

Finding the Fourth Proportional to 98,772.38, 148,071.10 and 39,567.56

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Solution

The fourth proportional to 98,772.38, 148,071.10 and 39,567.56 is: 59,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,772.38 : 148,071.10 = 39,567.56 : x
  2. Step 2: Convert to fraction form
    98,772.38/148,071.10 = 39,567.56/x
  3. Step 3: Cross multiply
    98,772.38x = 148,071.10 × 39,567.56
  4. Step 4: Simplify right side
    98,772.38x = 5,858,812,133.52
  5. Step 5: Solve for x
    x = 5,858,812,133.52/98,772.38
  6. Step 6: Final answer
    x = 59,316.30

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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.