Home / 109,562.02-151,192.51-61,819.81

Finding the Fourth Proportional to 109,562.02, 151,192.51 and 61,819.81

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Solution

The fourth proportional to 109,562.02, 151,192.51 and 61,819.81 is: 85,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,562.02 : 151,192.51 = 61,819.81 : x
  2. Step 2: Convert to fraction form
    109,562.02/151,192.51 = 61,819.81/x
  3. Step 3: Cross multiply
    109,562.02x = 151,192.51 × 61,819.81
  4. Step 4: Simplify right side
    109,562.02x = 9,346,692,241.62
  5. Step 5: Solve for x
    x = 9,346,692,241.62/109,562.02
  6. Step 6: Final answer
    x = 85,309.60

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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.