Home / 94,091.84-129,849.60-51,653.12

Finding the Fourth Proportional to 94,091.84, 129,849.60 and 51,653.12

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Solution

The fourth proportional to 94,091.84, 129,849.60 and 51,653.12 is: 71,282.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,091.84 : 129,849.60 = 51,653.12 : x
  2. Step 2: Convert to fraction form
    94,091.84/129,849.60 = 51,653.12/x
  3. Step 3: Cross multiply
    94,091.84x = 129,849.60 × 51,653.12
  4. Step 4: Simplify right side
    94,091.84x = 6,707,136,970.75
  5. Step 5: Solve for x
    x = 6,707,136,970.75/94,091.84
  6. Step 6: Final answer
    x = 71,282.88

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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.