Home / 109,901.21-151,666.97-62,153.60

Finding the Fourth Proportional to 109,901.21, 151,666.97 and 62,153.60

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Solution

The fourth proportional to 109,901.21, 151,666.97 and 62,153.60 is: 85,773.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,901.21 : 151,666.97 = 62,153.60 : x
  2. Step 2: Convert to fraction form
    109,901.21/151,666.97 = 62,153.60/x
  3. Step 3: Cross multiply
    109,901.21x = 151,666.97 × 62,153.60
  4. Step 4: Simplify right side
    109,901.21x = 9,426,647,117.49
  5. Step 5: Solve for x
    x = 9,426,647,117.49/109,901.21
  6. Step 6: Final answer
    x = 85,773.83

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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.