Home / 75,812.83-113,760.25-38,415.13

Finding the Fourth Proportional to 75,812.83, 113,760.25 and 38,415.13

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Solution

The fourth proportional to 75,812.83, 113,760.25 and 38,415.13 is: 57,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,812.83 : 113,760.25 = 38,415.13 : x
  2. Step 2: Convert to fraction form
    75,812.83/113,760.25 = 38,415.13/x
  3. Step 3: Cross multiply
    75,812.83x = 113,760.25 × 38,415.13
  4. Step 4: Simplify right side
    75,812.83x = 4,370,114,412.14
  5. Step 5: Solve for x
    x = 4,370,114,412.14/75,812.83
  6. Step 6: Final answer
    x = 57,643.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.