Home / 74,268.60-111,439.70-34,828.76

Finding the Fourth Proportional to 74,268.60, 111,439.70 and 34,828.76

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Solution

The fourth proportional to 74,268.60, 111,439.70 and 34,828.76 is: 52,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,268.60 : 111,439.70 = 34,828.76 : x
  2. Step 2: Convert to fraction form
    74,268.60/111,439.70 = 34,828.76/x
  3. Step 3: Cross multiply
    74,268.60x = 111,439.70 × 34,828.76
  4. Step 4: Simplify right side
    74,268.60x = 3,881,306,565.77
  5. Step 5: Solve for x
    x = 3,881,306,565.77/74,268.60
  6. Step 6: Final answer
    x = 52,260.40

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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.