Home / 74,837.76-111,915.60-55,875.66

Finding the Fourth Proportional to 74,837.76, 111,915.60 and 55,875.66

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Solution

The fourth proportional to 74,837.76, 111,915.60 and 55,875.66 is: 83,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,837.76 : 111,915.60 = 55,875.66 : x
  2. Step 2: Convert to fraction form
    74,837.76/111,915.60 = 55,875.66/x
  3. Step 3: Cross multiply
    74,837.76x = 111,915.60 × 55,875.66
  4. Step 4: Simplify right side
    74,837.76x = 6,253,358,014.30
  5. Step 5: Solve for x
    x = 6,253,358,014.30/74,837.76
  6. Step 6: Final answer
    x = 83,558.86

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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.