Home / 105,252.58-157,941.14-38,739.42

Finding the Fourth Proportional to 105,252.58, 157,941.14 and 38,739.42

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Solution

The fourth proportional to 105,252.58, 157,941.14 and 38,739.42 is: 58,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,252.58 : 157,941.14 = 38,739.42 : x
  2. Step 2: Convert to fraction form
    105,252.58/157,941.14 = 38,739.42/x
  3. Step 3: Cross multiply
    105,252.58x = 157,941.14 × 38,739.42
  4. Step 4: Simplify right side
    105,252.58x = 6,118,548,157.74
  5. Step 5: Solve for x
    x = 6,118,548,157.74/105,252.58
  6. Step 6: Final answer
    x = 58,132.05

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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.