Home / 112,867.96-155,762.84-64,474.10

Finding the Fourth Proportional to 112,867.96, 155,762.84 and 64,474.10

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Solution

The fourth proportional to 112,867.96, 155,762.84 and 64,474.10 is: 88,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,867.96 : 155,762.84 = 64,474.10 : x
  2. Step 2: Convert to fraction form
    112,867.96/155,762.84 = 64,474.10/x
  3. Step 3: Cross multiply
    112,867.96x = 155,762.84 × 64,474.10
  4. Step 4: Simplify right side
    112,867.96x = 10,042,668,922.44
  5. Step 5: Solve for x
    x = 10,042,668,922.44/112,867.96
  6. Step 6: Final answer
    x = 88,977.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.