Home / 57,033.40-78,704.68-31,541.19

Finding the Fourth Proportional to 57,033.40, 78,704.68 and 31,541.19

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Solution

The fourth proportional to 57,033.40, 78,704.68 and 31,541.19 is: 43,526.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033.40 : 78,704.68 = 31,541.19 : x
  2. Step 2: Convert to fraction form
    57,033.40/78,704.68 = 31,541.19/x
  3. Step 3: Cross multiply
    57,033.40x = 78,704.68 × 31,541.19
  4. Step 4: Simplify right side
    57,033.40x = 2,482,439,265.77
  5. Step 5: Solve for x
    x = 2,482,439,265.77/57,033.40
  6. Step 6: Final answer
    x = 43,526.06

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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.