Home / 99,249.79-136,965.54-53,927.77

Finding the Fourth Proportional to 99,249.79, 136,965.54 and 53,927.77

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Solution

The fourth proportional to 99,249.79, 136,965.54 and 53,927.77 is: 74,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,249.79 : 136,965.54 = 53,927.77 : x
  2. Step 2: Convert to fraction form
    99,249.79/136,965.54 = 53,927.77/x
  3. Step 3: Cross multiply
    99,249.79x = 136,965.54 × 53,927.77
  4. Step 4: Simplify right side
    99,249.79x = 7,386,246,139.05
  5. Step 5: Solve for x
    x = 7,386,246,139.05/99,249.79
  6. Step 6: Final answer
    x = 74,420.78

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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.