Home / 98,125.54-147,154.28-27,986.02

Finding the Fourth Proportional to 98,125.54, 147,154.28 and 27,986.02

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Solution

The fourth proportional to 98,125.54, 147,154.28 and 27,986.02 is: 41,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,125.54 : 147,154.28 = 27,986.02 : x
  2. Step 2: Convert to fraction form
    98,125.54/147,154.28 = 27,986.02/x
  3. Step 3: Cross multiply
    98,125.54x = 147,154.28 × 27,986.02
  4. Step 4: Simplify right side
    98,125.54x = 4,118,262,623.17
  5. Step 5: Solve for x
    x = 4,118,262,623.17/98,125.54
  6. Step 6: Final answer
    x = 41,969.32

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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.