Home / 87,536.18-120,798.29-53,542.17

Finding the Fourth Proportional to 87,536.18, 120,798.29 and 53,542.17

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Solution

The fourth proportional to 87,536.18, 120,798.29 and 53,542.17 is: 73,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,536.18 : 120,798.29 = 53,542.17 : x
  2. Step 2: Convert to fraction form
    87,536.18/120,798.29 = 53,542.17/x
  3. Step 3: Cross multiply
    87,536.18x = 120,798.29 × 53,542.17
  4. Step 4: Simplify right side
    87,536.18x = 6,467,802,311.18
  5. Step 5: Solve for x
    x = 6,467,802,311.18/87,536.18
  6. Step 6: Final answer
    x = 73,887.19

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1.5x scale

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.