Home / 98,212.14-147,382.74-53,870.04

Finding the Fourth Proportional to 98,212.14, 147,382.74 and 53,870.04

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Solution

The fourth proportional to 98,212.14, 147,382.74 and 53,870.04 is: 80,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,212.14 : 147,382.74 = 53,870.04 : x
  2. Step 2: Convert to fraction form
    98,212.14/147,382.74 = 53,870.04/x
  3. Step 3: Cross multiply
    98,212.14x = 147,382.74 × 53,870.04
  4. Step 4: Simplify right side
    98,212.14x = 7,939,514,099.11
  5. Step 5: Solve for x
    x = 7,939,514,099.11/98,212.14
  6. Step 6: Final answer
    x = 80,840.46

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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.