Home / 76,945.04-115,438.80-32,548.40

Finding the Fourth Proportional to 76,945.04, 115,438.80 and 32,548.40

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Solution

The fourth proportional to 76,945.04, 115,438.80 and 32,548.40 is: 48,831.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,945.04 : 115,438.80 = 32,548.40 : x
  2. Step 2: Convert to fraction form
    76,945.04/115,438.80 = 32,548.40/x
  3. Step 3: Cross multiply
    76,945.04x = 115,438.80 × 32,548.40
  4. Step 4: Simplify right side
    76,945.04x = 3,757,348,237.92
  5. Step 5: Solve for x
    x = 3,757,348,237.92/76,945.04
  6. Step 6: Final answer
    x = 48,831.58

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1.5x scale

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.