Home / 98,568.45-147,728.07-53,587.94

Finding the Fourth Proportional to 98,568.45, 147,728.07 and 53,587.94

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Solution

The fourth proportional to 98,568.45, 147,728.07 and 53,587.94 is: 80,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,568.45 : 147,728.07 = 53,587.94 : x
  2. Step 2: Convert to fraction form
    98,568.45/147,728.07 = 53,587.94/x
  3. Step 3: Cross multiply
    98,568.45x = 147,728.07 × 53,587.94
  4. Step 4: Simplify right side
    98,568.45x = 7,916,442,212.84
  5. Step 5: Solve for x
    x = 7,916,442,212.84/98,568.45
  6. Step 6: Final answer
    x = 80,314.16

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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.