Home / 94,920.80-142,333.04-31,718.24

Finding the Fourth Proportional to 94,920.80, 142,333.04 and 31,718.24

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Solution

The fourth proportional to 94,920.80, 142,333.04 and 31,718.24 is: 47,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,920.80 : 142,333.04 = 31,718.24 : x
  2. Step 2: Convert to fraction form
    94,920.80/142,333.04 = 31,718.24/x
  3. Step 3: Cross multiply
    94,920.80x = 142,333.04 × 31,718.24
  4. Step 4: Simplify right side
    94,920.80x = 4,514,553,522.65
  5. Step 5: Solve for x
    x = 4,514,553,522.65/94,920.80
  6. Step 6: Final answer
    x = 47,561.27

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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.