Home / 55,332.83-76,336.75-38,575.55

Finding the Fourth Proportional to 55,332.83, 76,336.75 and 38,575.55

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Solution

The fourth proportional to 55,332.83, 76,336.75 and 38,575.55 is: 53,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,332.83 : 76,336.75 = 38,575.55 : x
  2. Step 2: Convert to fraction form
    55,332.83/76,336.75 = 38,575.55/x
  3. Step 3: Cross multiply
    55,332.83x = 76,336.75 × 38,575.55
  4. Step 4: Simplify right side
    55,332.83x = 2,944,732,116.46
  5. Step 5: Solve for x
    x = 2,944,732,116.46/55,332.83
  6. Step 6: Final answer
    x = 53,218.53

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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.