Home / 94,890.20-130,955.24-52,447.80

Finding the Fourth Proportional to 94,890.20, 130,955.24 and 52,447.80

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Solution

The fourth proportional to 94,890.20, 130,955.24 and 52,447.80 is: 72,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,890.20 : 130,955.24 = 52,447.80 : x
  2. Step 2: Convert to fraction form
    94,890.20/130,955.24 = 52,447.80/x
  3. Step 3: Cross multiply
    94,890.20x = 130,955.24 × 52,447.80
  4. Step 4: Simplify right side
    94,890.20x = 6,868,314,236.47
  5. Step 5: Solve for x
    x = 6,868,314,236.47/94,890.20
  6. Step 6: Final answer
    x = 72,381.70

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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.