Home / 98,241.02-147,238.22-42,015

Finding the Fourth Proportional to 98,241.02, 147,238.22 and 42,015

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Solution

The fourth proportional to 98,241.02, 147,238.22 and 42,015 is: 62,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,241.02 : 147,238.22 = 42,015 : x
  2. Step 2: Convert to fraction form
    98,241.02/147,238.22 = 42,015/x
  3. Step 3: Cross multiply
    98,241.02x = 147,238.22 × 42,015
  4. Step 4: Simplify right side
    98,241.02x = 6,186,213,813.30
  5. Step 5: Solve for x
    x = 6,186,213,813.30/98,241.02
  6. Step 6: Final answer
    x = 62,969.76

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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.