Home / 66,145.74-91,282.04-35,931.59

Finding the Fourth Proportional to 66,145.74, 91,282.04 and 35,931.59

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Solution

The fourth proportional to 66,145.74, 91,282.04 and 35,931.59 is: 49,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,145.74 : 91,282.04 = 35,931.59 : x
  2. Step 2: Convert to fraction form
    66,145.74/91,282.04 = 35,931.59/x
  3. Step 3: Cross multiply
    66,145.74x = 91,282.04 × 35,931.59
  4. Step 4: Simplify right side
    66,145.74x = 3,279,908,835.64
  5. Step 5: Solve for x
    x = 3,279,908,835.64/66,145.74
  6. Step 6: Final answer
    x = 49,586.09

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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.