Home / 74,464.60-111,711.30-21,875.80

Finding the Fourth Proportional to 74,464.60, 111,711.30 and 21,875.80

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Solution

The fourth proportional to 74,464.60, 111,711.30 and 21,875.80 is: 32,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,464.60 : 111,711.30 = 21,875.80 : x
  2. Step 2: Convert to fraction form
    74,464.60/111,711.30 = 21,875.80/x
  3. Step 3: Cross multiply
    74,464.60x = 111,711.30 × 21,875.80
  4. Step 4: Simplify right side
    74,464.60x = 2,443,774,056.54
  5. Step 5: Solve for x
    x = 2,443,774,056.54/74,464.60
  6. Step 6: Final answer
    x = 32,817.93

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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.