Home / 94,505.43-130,467.56-72,948.80

Finding the Fourth Proportional to 94,505.43, 130,467.56 and 72,948.80

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Solution

The fourth proportional to 94,505.43, 130,467.56 and 72,948.80 is: 100,707.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,505.43 : 130,467.56 = 72,948.80 : x
  2. Step 2: Convert to fraction form
    94,505.43/130,467.56 = 72,948.80/x
  3. Step 3: Cross multiply
    94,505.43x = 130,467.56 × 72,948.80
  4. Step 4: Simplify right side
    94,505.43x = 9,517,452,312.69
  5. Step 5: Solve for x
    x = 9,517,452,312.69/94,505.43
  6. Step 6: Final answer
    x = 100,707.99

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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.