Home / 61,985.10-92,868.30-50,831.40

Finding the Fourth Proportional to 61,985.10, 92,868.30 and 50,831.40

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Solution

The fourth proportional to 61,985.10, 92,868.30 and 50,831.40 is: 76,157.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,985.10 : 92,868.30 = 50,831.40 : x
  2. Step 2: Convert to fraction form
    61,985.10/92,868.30 = 50,831.40/x
  3. Step 3: Cross multiply
    61,985.10x = 92,868.30 × 50,831.40
  4. Step 4: Simplify right side
    61,985.10x = 4,720,625,704.62
  5. Step 5: Solve for x
    x = 4,720,625,704.62/61,985.10
  6. Step 6: Final answer
    x = 76,157.43

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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.