Home / 85,933.77-118,602.85-50,123.78

Finding the Fourth Proportional to 85,933.77, 118,602.85 and 50,123.78

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Solution

The fourth proportional to 85,933.77, 118,602.85 and 50,123.78 is: 69,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,933.77 : 118,602.85 = 50,123.78 : x
  2. Step 2: Convert to fraction form
    85,933.77/118,602.85 = 50,123.78/x
  3. Step 3: Cross multiply
    85,933.77x = 118,602.85 × 50,123.78
  4. Step 4: Simplify right side
    85,933.77x = 5,944,823,160.77
  5. Step 5: Solve for x
    x = 5,944,823,160.77/85,933.77
  6. Step 6: Final answer
    x = 69,179.13

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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.