Home / 101,536.77-140,116.18-56,211.56

Finding the Fourth Proportional to 101,536.77, 140,116.18 and 56,211.56

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Solution

The fourth proportional to 101,536.77, 140,116.18 and 56,211.56 is: 77,569.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,536.77 : 140,116.18 = 56,211.56 : x
  2. Step 2: Convert to fraction form
    101,536.77/140,116.18 = 56,211.56/x
  3. Step 3: Cross multiply
    101,536.77x = 140,116.18 × 56,211.56
  4. Step 4: Simplify right side
    101,536.77x = 7,876,149,059.04
  5. Step 5: Solve for x
    x = 7,876,149,059.04/101,536.77
  6. Step 6: Final answer
    x = 77,569.43

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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.