Home / 58,455.54-80,614.85-38,305.10

Finding the Fourth Proportional to 58,455.54, 80,614.85 and 38,305.10

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Solution

The fourth proportional to 58,455.54, 80,614.85 and 38,305.10 is: 52,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,455.54 : 80,614.85 = 38,305.10 : x
  2. Step 2: Convert to fraction form
    58,455.54/80,614.85 = 38,305.10/x
  3. Step 3: Cross multiply
    58,455.54x = 80,614.85 × 38,305.10
  4. Step 4: Simplify right side
    58,455.54x = 3,087,959,900.75
  5. Step 5: Solve for x
    x = 3,087,959,900.75/58,455.54
  6. Step 6: Final answer
    x = 52,825.79

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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.