Home / 76,838.40-115,273.26-32,465.16

Finding the Fourth Proportional to 76,838.40, 115,273.26 and 32,465.16

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Solution

The fourth proportional to 76,838.40, 115,273.26 and 32,465.16 is: 48,704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,838.40 : 115,273.26 = 32,465.16 : x
  2. Step 2: Convert to fraction form
    76,838.40/115,273.26 = 32,465.16/x
  3. Step 3: Cross multiply
    76,838.40x = 115,273.26 × 32,465.16
  4. Step 4: Simplify right side
    76,838.40x = 3,742,364,829.62
  5. Step 5: Solve for x
    x = 3,742,364,829.62/76,838.40
  6. Step 6: Final answer
    x = 48,704.36

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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.