Home / 94,743.76-142,129.68-31,543.24

Finding the Fourth Proportional to 94,743.76, 142,129.68 and 31,543.24

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Solution

The fourth proportional to 94,743.76, 142,129.68 and 31,543.24 is: 47,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,743.76 : 142,129.68 = 31,543.24 : x
  2. Step 2: Convert to fraction form
    94,743.76/142,129.68 = 31,543.24/x
  3. Step 3: Cross multiply
    94,743.76x = 142,129.68 × 31,543.24
  4. Step 4: Simplify right side
    94,743.76x = 4,483,230,607.36
  5. Step 5: Solve for x
    x = 4,483,230,607.36/94,743.76
  6. Step 6: Final answer
    x = 47,319.53

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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.