Home / 94,286.88-130,116.64-51,266.40

Finding the Fourth Proportional to 94,286.88, 130,116.64 and 51,266.40

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Solution

The fourth proportional to 94,286.88, 130,116.64 and 51,266.40 is: 70,748.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,286.88 : 130,116.64 = 51,266.40 : x
  2. Step 2: Convert to fraction form
    94,286.88/130,116.64 = 51,266.40/x
  3. Step 3: Cross multiply
    94,286.88x = 130,116.64 × 51,266.40
  4. Step 4: Simplify right side
    94,286.88x = 6,670,611,712.90
  5. Step 5: Solve for x
    x = 6,670,611,712.90/94,286.88
  6. Step 6: Final answer
    x = 70,748.04

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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.