Home / 109,958.86-164,941.35-38,871.45

Finding the Fourth Proportional to 109,958.86, 164,941.35 and 38,871.45

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Solution

The fourth proportional to 109,958.86, 164,941.35 and 38,871.45 is: 58,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,958.86 : 164,941.35 = 38,871.45 : x
  2. Step 2: Convert to fraction form
    109,958.86/164,941.35 = 38,871.45/x
  3. Step 3: Cross multiply
    109,958.86x = 164,941.35 × 38,871.45
  4. Step 4: Simplify right side
    109,958.86x = 6,411,509,439.46
  5. Step 5: Solve for x
    x = 6,411,509,439.46/109,958.86
  6. Step 6: Final answer
    x = 58,308.26

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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.