Home / 82,420.07-123,645.48-37,444.58

Finding the Fourth Proportional to 82,420.07, 123,645.48 and 37,444.58

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Solution

The fourth proportional to 82,420.07, 123,645.48 and 37,444.58 is: 56,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,420.07 : 123,645.48 = 37,444.58 : x
  2. Step 2: Convert to fraction form
    82,420.07/123,645.48 = 37,444.58/x
  3. Step 3: Cross multiply
    82,420.07x = 123,645.48 × 37,444.58
  4. Step 4: Simplify right side
    82,420.07x = 4,629,852,449.27
  5. Step 5: Solve for x
    x = 4,629,852,449.27/82,420.07
  6. Step 6: Final answer
    x = 56,173.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.