Home / 55,490.05-83,241.15-53,740.45

Finding the Fourth Proportional to 55,490.05, 83,241.15 and 53,740.45

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Solution

The fourth proportional to 55,490.05, 83,241.15 and 53,740.45 is: 80,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,490.05 : 83,241.15 = 53,740.45 : x
  2. Step 2: Convert to fraction form
    55,490.05/83,241.15 = 53,740.45/x
  3. Step 3: Cross multiply
    55,490.05x = 83,241.15 × 53,740.45
  4. Step 4: Simplify right side
    55,490.05x = 4,473,416,859.52
  5. Step 5: Solve for x
    x = 4,473,416,859.52/55,490.05
  6. Step 6: Final answer
    x = 80,616.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.