Home / 98,554.18-147,936.53-42,422.10

Finding the Fourth Proportional to 98,554.18, 147,936.53 and 42,422.10

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Solution

The fourth proportional to 98,554.18, 147,936.53 and 42,422.10 is: 63,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,554.18 : 147,936.53 = 42,422.10 : x
  2. Step 2: Convert to fraction form
    98,554.18/147,936.53 = 42,422.10/x
  3. Step 3: Cross multiply
    98,554.18x = 147,936.53 × 42,422.10
  4. Step 4: Simplify right side
    98,554.18x = 6,275,778,269.31
  5. Step 5: Solve for x
    x = 6,275,778,269.31/98,554.18
  6. Step 6: Final answer
    x = 63,678.46

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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.