Home / 87,263.04-120,421.44-49,536.48

Finding the Fourth Proportional to 87,263.04, 120,421.44 and 49,536.48

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Solution

The fourth proportional to 87,263.04, 120,421.44 and 49,536.48 is: 68,359.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,263.04 : 120,421.44 = 49,536.48 : x
  2. Step 2: Convert to fraction form
    87,263.04/120,421.44 = 49,536.48/x
  3. Step 3: Cross multiply
    87,263.04x = 120,421.44 × 49,536.48
  4. Step 4: Simplify right side
    87,263.04x = 5,965,254,254.13
  5. Step 5: Solve for x
    x = 5,965,254,254.13/87,263.04
  6. Step 6: Final answer
    x = 68,359.46

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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.