Home / 63,904.80-95,972.40-61,831.20

Finding the Fourth Proportional to 63,904.80, 95,972.40 and 61,831.20

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Solution

The fourth proportional to 63,904.80, 95,972.40 and 61,831.20 is: 92,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,904.80 : 95,972.40 = 61,831.20 : x
  2. Step 2: Convert to fraction form
    63,904.80/95,972.40 = 61,831.20/x
  3. Step 3: Cross multiply
    63,904.80x = 95,972.40 × 61,831.20
  4. Step 4: Simplify right side
    63,904.80x = 5,934,088,658.88
  5. Step 5: Solve for x
    x = 5,934,088,658.88/63,904.80
  6. Step 6: Final answer
    x = 92,858.26

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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.