Home / 99,359.33-137,116.77-54,037.73

Finding the Fourth Proportional to 99,359.33, 137,116.77 and 54,037.73

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Solution

The fourth proportional to 99,359.33, 137,116.77 and 54,037.73 is: 74,572.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,359.33 : 137,116.77 = 54,037.73 : x
  2. Step 2: Convert to fraction form
    99,359.33/137,116.77 = 54,037.73/x
  3. Step 3: Cross multiply
    99,359.33x = 137,116.77 × 54,037.73
  4. Step 4: Simplify right side
    99,359.33x = 7,409,478,995.73
  5. Step 5: Solve for x
    x = 7,409,478,995.73/99,359.33
  6. Step 6: Final answer
    x = 74,572.55

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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.