Home / 94,130.24-129,902-51,111.56

Finding the Fourth Proportional to 94,130.24, 129,902 and 51,111.56

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Solution

The fourth proportional to 94,130.24, 129,902 and 51,111.56 is: 70,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,130.24 : 129,902 = 51,111.56 : x
  2. Step 2: Convert to fraction form
    94,130.24/129,902 = 51,111.56/x
  3. Step 3: Cross multiply
    94,130.24x = 129,902 × 51,111.56
  4. Step 4: Simplify right side
    94,130.24x = 6,639,493,867.12
  5. Step 5: Solve for x
    x = 6,639,493,867.12/94,130.24
  6. Step 6: Final answer
    x = 70,535.18

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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.