Home / 105,142.44-157,619.88-38,567.04

Finding the Fourth Proportional to 105,142.44, 157,619.88 and 38,567.04

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Solution

The fourth proportional to 105,142.44, 157,619.88 and 38,567.04 is: 57,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,142.44 : 157,619.88 = 38,567.04 : x
  2. Step 2: Convert to fraction form
    105,142.44/157,619.88 = 38,567.04/x
  3. Step 3: Cross multiply
    105,142.44x = 157,619.88 × 38,567.04
  4. Step 4: Simplify right side
    105,142.44x = 6,078,932,216.76
  5. Step 5: Solve for x
    x = 6,078,932,216.76/105,142.44
  6. Step 6: Final answer
    x = 57,816.16

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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.