Home / 94,747.12-142,089.86-31,550.24

Finding the Fourth Proportional to 94,747.12, 142,089.86 and 31,550.24

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Solution

The fourth proportional to 94,747.12, 142,089.86 and 31,550.24 is: 47,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,747.12 : 142,089.86 = 31,550.24 : x
  2. Step 2: Convert to fraction form
    94,747.12/142,089.86 = 31,550.24/x
  3. Step 3: Cross multiply
    94,747.12x = 142,089.86 × 31,550.24
  4. Step 4: Simplify right side
    94,747.12x = 4,482,969,184.57
  5. Step 5: Solve for x
    x = 4,482,969,184.57/94,747.12
  6. Step 6: Final answer
    x = 47,315.10

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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.