Home / 94,740.76-142,125.18-31,540.24

Finding the Fourth Proportional to 94,740.76, 142,125.18 and 31,540.24

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Solution

The fourth proportional to 94,740.76, 142,125.18 and 31,540.24 is: 47,315.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,740.76 : 142,125.18 = 31,540.24 : x
  2. Step 2: Convert to fraction form
    94,740.76/142,125.18 = 31,540.24/x
  3. Step 3: Cross multiply
    94,740.76x = 142,125.18 × 31,540.24
  4. Step 4: Simplify right side
    94,740.76x = 4,482,662,287.24
  5. Step 5: Solve for x
    x = 4,482,662,287.24/94,740.76
  6. Step 6: Final answer
    x = 47,315.03

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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.