Home / 102,777.30-141,842.88-60,334.92

Finding the Fourth Proportional to 102,777.30, 141,842.88 and 60,334.92

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Solution

The fourth proportional to 102,777.30, 141,842.88 and 60,334.92 is: 83,268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,777.30 : 141,842.88 = 60,334.92 : x
  2. Step 2: Convert to fraction form
    102,777.30/141,842.88 = 60,334.92/x
  3. Step 3: Cross multiply
    102,777.30x = 141,842.88 × 60,334.92
  4. Step 4: Simplify right side
    102,777.30x = 8,558,078,817.37
  5. Step 5: Solve for x
    x = 8,558,078,817.37/102,777.30
  6. Step 6: Final answer
    x = 83,268.18

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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.