Home / 66,079.14-91,189.29-35,864.46

Finding the Fourth Proportional to 66,079.14, 91,189.29 and 35,864.46

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Solution

The fourth proportional to 66,079.14, 91,189.29 and 35,864.46 is: 49,493.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,079.14 : 91,189.29 = 35,864.46 : x
  2. Step 2: Convert to fraction form
    66,079.14/91,189.29 = 35,864.46/x
  3. Step 3: Cross multiply
    66,079.14x = 91,189.29 × 35,864.46
  4. Step 4: Simplify right side
    66,079.14x = 3,270,454,643.63
  5. Step 5: Solve for x
    x = 3,270,454,643.63/66,079.14
  6. Step 6: Final answer
    x = 49,493.00

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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.