Home / 112,440.76-168,686.74-38,564.28

Finding the Fourth Proportional to 112,440.76, 168,686.74 and 38,564.28

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Solution

The fourth proportional to 112,440.76, 168,686.74 and 38,564.28 is: 57,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,440.76 : 168,686.74 = 38,564.28 : x
  2. Step 2: Convert to fraction form
    112,440.76/168,686.74 = 38,564.28/x
  3. Step 3: Cross multiply
    112,440.76x = 168,686.74 × 38,564.28
  4. Step 4: Simplify right side
    112,440.76x = 6,505,282,673.65
  5. Step 5: Solve for x
    x = 6,505,282,673.65/112,440.76
  6. Step 6: Final answer
    x = 57,855.20

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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.