Home / 59,125.78-81,682.44-38,756.20

Finding the Fourth Proportional to 59,125.78, 81,682.44 and 38,756.20

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Solution

The fourth proportional to 59,125.78, 81,682.44 and 38,756.20 is: 53,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,125.78 : 81,682.44 = 38,756.20 : x
  2. Step 2: Convert to fraction form
    59,125.78/81,682.44 = 38,756.20/x
  3. Step 3: Cross multiply
    59,125.78x = 81,682.44 × 38,756.20
  4. Step 4: Simplify right side
    59,125.78x = 3,165,700,475.83
  5. Step 5: Solve for x
    x = 3,165,700,475.83/59,125.78
  6. Step 6: Final answer
    x = 53,541.79

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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.