Home / 74,437.48-111,667.38-21,840.76

Finding the Fourth Proportional to 74,437.48, 111,667.38 and 21,840.76

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Solution

The fourth proportional to 74,437.48, 111,667.38 and 21,840.76 is: 32,764.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,437.48 : 111,667.38 = 21,840.76 : x
  2. Step 2: Convert to fraction form
    74,437.48/111,667.38 = 21,840.76/x
  3. Step 3: Cross multiply
    74,437.48x = 111,667.38 × 21,840.76
  4. Step 4: Simplify right side
    74,437.48x = 2,438,900,446.41
  5. Step 5: Solve for x
    x = 2,438,900,446.41/74,437.48
  6. Step 6: Final answer
    x = 32,764.41

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1.5x scale

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.