Home / 94,310.40-130,104.72-56,519.04

Finding the Fourth Proportional to 94,310.40, 130,104.72 and 56,519.04

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Solution

The fourth proportional to 94,310.40, 130,104.72 and 56,519.04 is: 77,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,310.40 : 130,104.72 = 56,519.04 : x
  2. Step 2: Convert to fraction form
    94,310.40/130,104.72 = 56,519.04/x
  3. Step 3: Cross multiply
    94,310.40x = 130,104.72 × 56,519.04
  4. Step 4: Simplify right side
    94,310.40x = 7,353,393,873.87
  5. Step 5: Solve for x
    x = 7,353,393,873.87/94,310.40
  6. Step 6: Final answer
    x = 77,970.13

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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.