Home / 76,551.06-105,649.20-42,562.92

Finding the Fourth Proportional to 76,551.06, 105,649.20 and 42,562.92

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Solution

The fourth proportional to 76,551.06, 105,649.20 and 42,562.92 is: 58,741.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,551.06 : 105,649.20 = 42,562.92 : x
  2. Step 2: Convert to fraction form
    76,551.06/105,649.20 = 42,562.92/x
  3. Step 3: Cross multiply
    76,551.06x = 105,649.20 × 42,562.92
  4. Step 4: Simplify right side
    76,551.06x = 4,496,738,447.66
  5. Step 5: Solve for x
    x = 4,496,738,447.66/76,551.06
  6. Step 6: Final answer
    x = 58,741.69

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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.