Home / 77,218.08-106,553.16-43,224.36

Finding the Fourth Proportional to 77,218.08, 106,553.16 and 43,224.36

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Solution

The fourth proportional to 77,218.08, 106,553.16 and 43,224.36 is: 59,645.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,218.08 : 106,553.16 = 43,224.36 : x
  2. Step 2: Convert to fraction form
    77,218.08/106,553.16 = 43,224.36/x
  3. Step 3: Cross multiply
    77,218.08x = 106,553.16 × 43,224.36
  4. Step 4: Simplify right side
    77,218.08x = 4,605,692,146.98
  5. Step 5: Solve for x
    x = 4,605,692,146.98/77,218.08
  6. Step 6: Final answer
    x = 59,645.26

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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.