Home / 94,764.08-130,772.40-54,476.80

Finding the Fourth Proportional to 94,764.08, 130,772.40 and 54,476.80

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Solution

The fourth proportional to 94,764.08, 130,772.40 and 54,476.80 is: 75,176.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,764.08 : 130,772.40 = 54,476.80 : x
  2. Step 2: Convert to fraction form
    94,764.08/130,772.40 = 54,476.80/x
  3. Step 3: Cross multiply
    94,764.08x = 130,772.40 × 54,476.80
  4. Step 4: Simplify right side
    94,764.08x = 7,124,061,880.32
  5. Step 5: Solve for x
    x = 7,124,061,880.32/94,764.08
  6. Step 6: Final answer
    x = 75,176.82

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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.