Home / 105,256-157,961.92-49,852.16

Finding the Fourth Proportional to 105,256, 157,961.92 and 49,852.16

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Solution

The fourth proportional to 105,256, 157,961.92 and 49,852.16 is: 74,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,256 : 157,961.92 = 49,852.16 : x
  2. Step 2: Convert to fraction form
    105,256/157,961.92 = 49,852.16/x
  3. Step 3: Cross multiply
    105,256x = 157,961.92 × 49,852.16
  4. Step 4: Simplify right side
    105,256x = 7,874,742,909.75
  5. Step 5: Solve for x
    x = 7,874,742,909.75/105,256
  6. Step 6: Final answer
    x = 74,815.15

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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.