Home / 57,353.47-86,030.20-17,913.96

Finding the Fourth Proportional to 57,353.47, 86,030.20 and 17,913.96

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Solution

The fourth proportional to 57,353.47, 86,030.20 and 17,913.96 is: 26,870.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,353.47 : 86,030.20 = 17,913.96 : x
  2. Step 2: Convert to fraction form
    57,353.47/86,030.20 = 17,913.96/x
  3. Step 3: Cross multiply
    57,353.47x = 86,030.20 × 17,913.96
  4. Step 4: Simplify right side
    57,353.47x = 1,541,141,583.98
  5. Step 5: Solve for x
    x = 1,541,141,583.98/57,353.47
  6. Step 6: Final answer
    x = 26,870.94

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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.