Home / 72,268.13-99,663.77-62,055.70

Finding the Fourth Proportional to 72,268.13, 99,663.77 and 62,055.70

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Solution

The fourth proportional to 72,268.13, 99,663.77 and 62,055.70 is: 85,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,268.13 : 99,663.77 = 62,055.70 : x
  2. Step 2: Convert to fraction form
    72,268.13/99,663.77 = 62,055.70/x
  3. Step 3: Cross multiply
    72,268.13x = 99,663.77 × 62,055.70
  4. Step 4: Simplify right side
    72,268.13x = 6,184,704,917.97
  5. Step 5: Solve for x
    x = 6,184,704,917.97/72,268.13
  6. Step 6: Final answer
    x = 85,579.97

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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.