Home / 55,725.61-76,835.50-45,616.81

Finding the Fourth Proportional to 55,725.61, 76,835.50 and 45,616.81

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Solution

The fourth proportional to 55,725.61, 76,835.50 and 45,616.81 is: 62,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,725.61 : 76,835.50 = 45,616.81 : x
  2. Step 2: Convert to fraction form
    55,725.61/76,835.50 = 45,616.81/x
  3. Step 3: Cross multiply
    55,725.61x = 76,835.50 × 45,616.81
  4. Step 4: Simplify right side
    55,725.61x = 3,504,990,404.76
  5. Step 5: Solve for x
    x = 3,504,990,404.76/55,725.61
  6. Step 6: Final answer
    x = 62,897.30

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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.