Home / 55,400.91-76,459.28-34,179.63

Finding the Fourth Proportional to 55,400.91, 76,459.28 and 34,179.63

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Solution

The fourth proportional to 55,400.91, 76,459.28 and 34,179.63 is: 47,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,400.91 : 76,459.28 = 34,179.63 : x
  2. Step 2: Convert to fraction form
    55,400.91/76,459.28 = 34,179.63/x
  3. Step 3: Cross multiply
    55,400.91x = 76,459.28 × 34,179.63
  4. Step 4: Simplify right side
    55,400.91x = 2,613,349,729.57
  5. Step 5: Solve for x
    x = 2,613,349,729.57/55,400.91
  6. Step 6: Final answer
    x = 47,171.60

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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.