Home / 109,722.04-151,419.18-67,303.96

Finding the Fourth Proportional to 109,722.04, 151,419.18 and 67,303.96

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Solution

The fourth proportional to 109,722.04, 151,419.18 and 67,303.96 is: 92,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,722.04 : 151,419.18 = 67,303.96 : x
  2. Step 2: Convert to fraction form
    109,722.04/151,419.18 = 67,303.96/x
  3. Step 3: Cross multiply
    109,722.04x = 151,419.18 × 67,303.96
  4. Step 4: Simplify right side
    109,722.04x = 10,191,110,433.95
  5. Step 5: Solve for x
    x = 10,191,110,433.95/109,722.04
  6. Step 6: Final answer
    x = 92,881.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.