Home / 57,141.12-85,510.08-34,947.84

Finding the Fourth Proportional to 57,141.12, 85,510.08 and 34,947.84

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Solution

The fourth proportional to 57,141.12, 85,510.08 and 34,947.84 is: 52,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,141.12 : 85,510.08 = 34,947.84 : x
  2. Step 2: Convert to fraction form
    57,141.12/85,510.08 = 34,947.84/x
  3. Step 3: Cross multiply
    57,141.12x = 85,510.08 × 34,947.84
  4. Step 4: Simplify right side
    57,141.12x = 2,988,392,594.23
  5. Step 5: Solve for x
    x = 2,988,392,594.23/57,141.12
  6. Step 6: Final answer
    x = 52,298.46

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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.