Home / 81,580.32-112,577.04-48,039.84

Finding the Fourth Proportional to 81,580.32, 112,577.04 and 48,039.84

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Solution

The fourth proportional to 81,580.32, 112,577.04 and 48,039.84 is: 66,292.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,580.32 : 112,577.04 = 48,039.84 : x
  2. Step 2: Convert to fraction form
    81,580.32/112,577.04 = 48,039.84/x
  3. Step 3: Cross multiply
    81,580.32x = 112,577.04 × 48,039.84
  4. Step 4: Simplify right side
    81,580.32x = 5,408,182,989.27
  5. Step 5: Solve for x
    x = 5,408,182,989.27/81,580.32
  6. Step 6: Final answer
    x = 66,292.74

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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.