Home / 62,669.20-86,539.10-42,600.74

Finding the Fourth Proportional to 62,669.20, 86,539.10 and 42,600.74

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Solution

The fourth proportional to 62,669.20, 86,539.10 and 42,600.74 is: 58,826.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,669.20 : 86,539.10 = 42,600.74 : x
  2. Step 2: Convert to fraction form
    62,669.20/86,539.10 = 42,600.74/x
  3. Step 3: Cross multiply
    62,669.20x = 86,539.10 × 42,600.74
  4. Step 4: Simplify right side
    62,669.20x = 3,686,629,698.93
  5. Step 5: Solve for x
    x = 3,686,629,698.93/62,669.20
  6. Step 6: Final answer
    x = 58,826.82

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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.