Home / 55,979.80-83,560.12-49,336.96

Finding the Fourth Proportional to 55,979.80, 83,560.12 and 49,336.96

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Solution

The fourth proportional to 55,979.80, 83,560.12 and 49,336.96 is: 73,644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,979.80 : 83,560.12 = 49,336.96 : x
  2. Step 2: Convert to fraction form
    55,979.80/83,560.12 = 49,336.96/x
  3. Step 3: Cross multiply
    55,979.80x = 83,560.12 × 49,336.96
  4. Step 4: Simplify right side
    55,979.80x = 4,122,602,298.04
  5. Step 5: Solve for x
    x = 4,122,602,298.04/55,979.80
  6. Step 6: Final answer
    x = 73,644.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.