Home / 76,597.11-115,003.31-39,184.02

Finding the Fourth Proportional to 76,597.11, 115,003.31 and 39,184.02

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Solution

The fourth proportional to 76,597.11, 115,003.31 and 39,184.02 is: 58,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,597.11 : 115,003.31 = 39,184.02 : x
  2. Step 2: Convert to fraction form
    76,597.11/115,003.31 = 39,184.02/x
  3. Step 3: Cross multiply
    76,597.11x = 115,003.31 × 39,184.02
  4. Step 4: Simplify right side
    76,597.11x = 4,506,291,803.19
  5. Step 5: Solve for x
    x = 4,506,291,803.19/76,597.11
  6. Step 6: Final answer
    x = 58,831.09

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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.