Home / 83,869.06-125,803.56-57,493.84

Finding the Fourth Proportional to 83,869.06, 125,803.56 and 57,493.84

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Solution

The fourth proportional to 83,869.06, 125,803.56 and 57,493.84 is: 86,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,869.06 : 125,803.56 = 57,493.84 : x
  2. Step 2: Convert to fraction form
    83,869.06/125,803.56 = 57,493.84/x
  3. Step 3: Cross multiply
    83,869.06x = 125,803.56 × 57,493.84
  4. Step 4: Simplify right side
    83,869.06x = 7,232,929,750.07
  5. Step 5: Solve for x
    x = 7,232,929,750.07/83,869.06
  6. Step 6: Final answer
    x = 86,240.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.