Home / 81,778.02-112,848.57-45,967.56

Finding the Fourth Proportional to 81,778.02, 112,848.57 and 45,967.56

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Solution

The fourth proportional to 81,778.02, 112,848.57 and 45,967.56 is: 63,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,778.02 : 112,848.57 = 45,967.56 : x
  2. Step 2: Convert to fraction form
    81,778.02/112,848.57 = 45,967.56/x
  3. Step 3: Cross multiply
    81,778.02x = 112,848.57 × 45,967.56
  4. Step 4: Simplify right side
    81,778.02x = 5,187,373,412.39
  5. Step 5: Solve for x
    x = 5,187,373,412.39/81,778.02
  6. Step 6: Final answer
    x = 63,432.37

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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.