Home / 98,468.09-147,750.34-61,018.15

Finding the Fourth Proportional to 98,468.09, 147,750.34 and 61,018.15

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Solution

The fourth proportional to 98,468.09, 147,750.34 and 61,018.15 is: 91,557.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,468.09 : 147,750.34 = 61,018.15 : x
  2. Step 2: Convert to fraction form
    98,468.09/147,750.34 = 61,018.15/x
  3. Step 3: Cross multiply
    98,468.09x = 147,750.34 × 61,018.15
  4. Step 4: Simplify right side
    98,468.09x = 9,015,452,103.58
  5. Step 5: Solve for x
    x = 9,015,452,103.58/98,468.09
  6. Step 6: Final answer
    x = 91,557.09

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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.