Home / 94,921.80-142,334.54-31,719.24

Finding the Fourth Proportional to 94,921.80, 142,334.54 and 31,719.24

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Solution

The fourth proportional to 94,921.80, 142,334.54 and 31,719.24 is: 47,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,921.80 : 142,334.54 = 31,719.24 : x
  2. Step 2: Convert to fraction form
    94,921.80/142,334.54 = 31,719.24/x
  3. Step 3: Cross multiply
    94,921.80x = 142,334.54 × 31,719.24
  4. Step 4: Simplify right side
    94,921.80x = 4,514,743,434.55
  5. Step 5: Solve for x
    x = 4,514,743,434.55/94,921.80
  6. Step 6: Final answer
    x = 47,562.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.