Home / 77,613.31-116,322.63-33,187.92

Finding the Fourth Proportional to 77,613.31, 116,322.63 and 33,187.92

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Solution

The fourth proportional to 77,613.31, 116,322.63 and 33,187.92 is: 49,740.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,613.31 : 116,322.63 = 33,187.92 : x
  2. Step 2: Convert to fraction form
    77,613.31/116,322.63 = 33,187.92/x
  3. Step 3: Cross multiply
    77,613.31x = 116,322.63 × 33,187.92
  4. Step 4: Simplify right side
    77,613.31x = 3,860,506,138.63
  5. Step 5: Solve for x
    x = 3,860,506,138.63/77,613.31
  6. Step 6: Final answer
    x = 49,740.26

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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.