Home / 109,807.02-151,532.82-62,069.76

Finding the Fourth Proportional to 109,807.02, 151,532.82 and 62,069.76

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Solution

The fourth proportional to 109,807.02, 151,532.82 and 62,069.76 is: 85,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,807.02 : 151,532.82 = 62,069.76 : x
  2. Step 2: Convert to fraction form
    109,807.02/151,532.82 = 62,069.76/x
  3. Step 3: Cross multiply
    109,807.02x = 151,532.82 × 62,069.76
  4. Step 4: Simplify right side
    109,807.02x = 9,405,605,769.52
  5. Step 5: Solve for x
    x = 9,405,605,769.52/109,807.02
  6. Step 6: Final answer
    x = 85,655.78

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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.