Home / 74,565.03-111,848.76-39,432.09

Finding the Fourth Proportional to 74,565.03, 111,848.76 and 39,432.09

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Solution

The fourth proportional to 74,565.03, 111,848.76 and 39,432.09 is: 59,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,565.03 : 111,848.76 = 39,432.09 : x
  2. Step 2: Convert to fraction form
    74,565.03/111,848.76 = 39,432.09/x
  3. Step 3: Cross multiply
    74,565.03x = 111,848.76 × 39,432.09
  4. Step 4: Simplify right side
    74,565.03x = 4,410,430,370.71
  5. Step 5: Solve for x
    x = 4,410,430,370.71/74,565.03
  6. Step 6: Final answer
    x = 59,148.78

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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.