Home / 98,364.47-147,617.78-39,166.02

Finding the Fourth Proportional to 98,364.47, 147,617.78 and 39,166.02

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Solution

The fourth proportional to 98,364.47, 147,617.78 and 39,166.02 is: 58,777.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,364.47 : 147,617.78 = 39,166.02 : x
  2. Step 2: Convert to fraction form
    98,364.47/147,617.78 = 39,166.02/x
  3. Step 3: Cross multiply
    98,364.47x = 147,617.78 × 39,166.02
  4. Step 4: Simplify right side
    98,364.47x = 5,781,600,728.01
  5. Step 5: Solve for x
    x = 5,781,600,728.01/98,364.47
  6. Step 6: Final answer
    x = 58,777.33

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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.