Home / 98,226.54-147,442.92-87,053.38

Finding the Fourth Proportional to 98,226.54, 147,442.92 and 87,053.38

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Solution

The fourth proportional to 98,226.54, 147,442.92 and 87,053.38 is: 130,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,226.54 : 147,442.92 = 87,053.38 : x
  2. Step 2: Convert to fraction form
    98,226.54/147,442.92 = 87,053.38/x
  3. Step 3: Cross multiply
    98,226.54x = 147,442.92 × 87,053.38
  4. Step 4: Simplify right side
    98,226.54x = 12,835,404,543.07
  5. Step 5: Solve for x
    x = 12,835,404,543.07/98,226.54
  6. Step 6: Final answer
    x = 130,671.45

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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.