Home / 109,526.25-151,162.63-67,109.39

Finding the Fourth Proportional to 109,526.25, 151,162.63 and 67,109.39

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Solution

The fourth proportional to 109,526.25, 151,162.63 and 67,109.39 is: 92,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,526.25 : 151,162.63 = 67,109.39 : x
  2. Step 2: Convert to fraction form
    109,526.25/151,162.63 = 67,109.39/x
  3. Step 3: Cross multiply
    109,526.25x = 151,162.63 × 67,109.39
  4. Step 4: Simplify right side
    109,526.25x = 10,144,431,890.10
  5. Step 5: Solve for x
    x = 10,144,431,890.10/109,526.25
  6. Step 6: Final answer
    x = 92,621.01

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