Home / 94,012.13-129,736.73-51,570.76

Finding the Fourth Proportional to 94,012.13, 129,736.73 and 51,570.76

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Solution

The fourth proportional to 94,012.13, 129,736.73 and 51,570.76 is: 71,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,012.13 : 129,736.73 = 51,570.76 : x
  2. Step 2: Convert to fraction form
    94,012.13/129,736.73 = 51,570.76/x
  3. Step 3: Cross multiply
    94,012.13x = 129,736.73 × 51,570.76
  4. Step 4: Simplify right side
    94,012.13x = 6,690,621,570.60
  5. Step 5: Solve for x
    x = 6,690,621,570.60/94,012.13
  6. Step 6: Final answer
    x = 71,167.65

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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.