Home / 94,019.96-129,750.92-51,579.74

Finding the Fourth Proportional to 94,019.96, 129,750.92 and 51,579.74

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Solution

The fourth proportional to 94,019.96, 129,750.92 and 51,579.74 is: 71,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,019.96 : 129,750.92 = 51,579.74 : x
  2. Step 2: Convert to fraction form
    94,019.96/129,750.92 = 51,579.74/x
  3. Step 3: Cross multiply
    94,019.96x = 129,750.92 × 51,579.74
  4. Step 4: Simplify right side
    94,019.96x = 6,692,517,811.71
  5. Step 5: Solve for x
    x = 6,692,517,811.71/94,019.96
  6. Step 6: Final answer
    x = 71,181.89

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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.