Home / 58,521.78-80,761.23-34,639.74

Finding the Fourth Proportional to 58,521.78, 80,761.23 and 34,639.74

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Solution

The fourth proportional to 58,521.78, 80,761.23 and 34,639.74 is: 47,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,521.78 : 80,761.23 = 34,639.74 : x
  2. Step 2: Convert to fraction form
    58,521.78/80,761.23 = 34,639.74/x
  3. Step 3: Cross multiply
    58,521.78x = 80,761.23 × 34,639.74
  4. Step 4: Simplify right side
    58,521.78x = 2,797,548,009.28
  5. Step 5: Solve for x
    x = 2,797,548,009.28/58,521.78
  6. Step 6: Final answer
    x = 47,803.54

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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.