Home / 94,758.63-130,611.13-67,172.53

Finding the Fourth Proportional to 94,758.63, 130,611.13 and 67,172.53

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Solution

The fourth proportional to 94,758.63, 130,611.13 and 67,172.53 is: 92,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,758.63 : 130,611.13 = 67,172.53 : x
  2. Step 2: Convert to fraction form
    94,758.63/130,611.13 = 67,172.53/x
  3. Step 3: Cross multiply
    94,758.63x = 130,611.13 × 67,172.53
  4. Step 4: Simplify right side
    94,758.63x = 8,773,479,553.80
  5. Step 5: Solve for x
    x = 8,773,479,553.80/94,758.63
  6. Step 6: Final answer
    x = 92,587.66

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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.