Home / 75,131.37-103,681.06-43,300.20

Finding the Fourth Proportional to 75,131.37, 103,681.06 and 43,300.20

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Solution

The fourth proportional to 75,131.37, 103,681.06 and 43,300.20 is: 59,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,131.37 : 103,681.06 = 43,300.20 : x
  2. Step 2: Convert to fraction form
    75,131.37/103,681.06 = 43,300.20/x
  3. Step 3: Cross multiply
    75,131.37x = 103,681.06 × 43,300.20
  4. Step 4: Simplify right side
    75,131.37x = 4,489,410,634.21
  5. Step 5: Solve for x
    x = 4,489,410,634.21/75,131.37
  6. Step 6: Final answer
    x = 59,754.14

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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.