Home / 98,982.30-148,492.65-42,822.30

Finding the Fourth Proportional to 98,982.30, 148,492.65 and 42,822.30

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Solution

The fourth proportional to 98,982.30, 148,492.65 and 42,822.30 is: 64,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,982.30 : 148,492.65 = 42,822.30 : x
  2. Step 2: Convert to fraction form
    98,982.30/148,492.65 = 42,822.30/x
  3. Step 3: Cross multiply
    98,982.30x = 148,492.65 × 42,822.30
  4. Step 4: Simplify right side
    98,982.30x = 6,358,796,806.10
  5. Step 5: Solve for x
    x = 6,358,796,806.10/98,982.30
  6. Step 6: Final answer
    x = 64,241.76

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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.