Home / 74,301.60-111,457.53-29,928.45

Finding the Fourth Proportional to 74,301.60, 111,457.53 and 29,928.45

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Solution

The fourth proportional to 74,301.60, 111,457.53 and 29,928.45 is: 44,894.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,301.60 : 111,457.53 = 29,928.45 : x
  2. Step 2: Convert to fraction form
    74,301.60/111,457.53 = 29,928.45/x
  3. Step 3: Cross multiply
    74,301.60x = 111,457.53 × 29,928.45
  4. Step 4: Simplify right side
    74,301.60x = 3,335,751,113.73
  5. Step 5: Solve for x
    x = 3,335,751,113.73/74,301.60
  6. Step 6: Final answer
    x = 44,894.74

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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.