Home / 57,995.78-87,027.12-31,341.84

Finding the Fourth Proportional to 57,995.78, 87,027.12 and 31,341.84

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Solution

The fourth proportional to 57,995.78, 87,027.12 and 31,341.84 is: 47,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,995.78 : 87,027.12 = 31,341.84 : x
  2. Step 2: Convert to fraction form
    57,995.78/87,027.12 = 31,341.84/x
  3. Step 3: Cross multiply
    57,995.78x = 87,027.12 × 31,341.84
  4. Step 4: Simplify right side
    57,995.78x = 2,727,590,070.70
  5. Step 5: Solve for x
    x = 2,727,590,070.70/57,995.78
  6. Step 6: Final answer
    x = 47,030.84

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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.