Home / 57,094.40-78,788.65-31,601.81

Finding the Fourth Proportional to 57,094.40, 78,788.65 and 31,601.81

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Solution

The fourth proportional to 57,094.40, 78,788.65 and 31,601.81 is: 43,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,094.40 : 78,788.65 = 31,601.81 : x
  2. Step 2: Convert to fraction form
    57,094.40/78,788.65 = 31,601.81/x
  3. Step 3: Cross multiply
    57,094.40x = 78,788.65 × 31,601.81
  4. Step 4: Simplify right side
    57,094.40x = 2,489,863,947.46
  5. Step 5: Solve for x
    x = 2,489,863,947.46/57,094.40
  6. Step 6: Final answer
    x = 43,609.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.