Home / 94,766.08-130,775.16-54,478.80

Finding the Fourth Proportional to 94,766.08, 130,775.16 and 54,478.80

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Solution

The fourth proportional to 94,766.08, 130,775.16 and 54,478.80 is: 75,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,766.08 : 130,775.16 = 54,478.80 : x
  2. Step 2: Convert to fraction form
    94,766.08/130,775.16 = 54,478.80/x
  3. Step 3: Cross multiply
    94,766.08x = 130,775.16 × 54,478.80
  4. Step 4: Simplify right side
    94,766.08x = 7,124,473,786.61
  5. Step 5: Solve for x
    x = 7,124,473,786.61/94,766.08
  6. Step 6: Final answer
    x = 75,179.58

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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.