Home / 109,395.05-151,002.48-64,087.49

Finding the Fourth Proportional to 109,395.05, 151,002.48 and 64,087.49

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Solution

The fourth proportional to 109,395.05, 151,002.48 and 64,087.49 is: 88,462.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,395.05 : 151,002.48 = 64,087.49 : x
  2. Step 2: Convert to fraction form
    109,395.05/151,002.48 = 64,087.49/x
  3. Step 3: Cross multiply
    109,395.05x = 151,002.48 × 64,087.49
  4. Step 4: Simplify right side
    109,395.05x = 9,677,369,171.96
  5. Step 5: Solve for x
    x = 9,677,369,171.96/109,395.05
  6. Step 6: Final answer
    x = 88,462.59

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1.5x scale

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.