Home / 98,647.04-147,954.36-42,472.02

Finding the Fourth Proportional to 98,647.04, 147,954.36 and 42,472.02

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Solution

The fourth proportional to 98,647.04, 147,954.36 and 42,472.02 is: 63,701.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,647.04 : 147,954.36 = 42,472.02 : x
  2. Step 2: Convert to fraction form
    98,647.04/147,954.36 = 42,472.02/x
  3. Step 3: Cross multiply
    98,647.04x = 147,954.36 × 42,472.02
  4. Step 4: Simplify right side
    98,647.04x = 6,283,920,537.01
  5. Step 5: Solve for x
    x = 6,283,920,537.01/98,647.04
  6. Step 6: Final answer
    x = 63,701.06

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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.