Home / 101,736.05-140,402.79-56,418.23

Finding the Fourth Proportional to 101,736.05, 140,402.79 and 56,418.23

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Solution

The fourth proportional to 101,736.05, 140,402.79 and 56,418.23 is: 77,861.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,736.05 : 140,402.79 = 56,418.23 : x
  2. Step 2: Convert to fraction form
    101,736.05/140,402.79 = 56,418.23/x
  3. Step 3: Cross multiply
    101,736.05x = 140,402.79 × 56,418.23
  4. Step 4: Simplify right side
    101,736.05x = 7,921,276,898.86
  5. Step 5: Solve for x
    x = 7,921,276,898.86/101,736.05
  6. Step 6: Final answer
    x = 77,861.06

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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.