Home / 77,904.20-116,913.90-51,600.20

Finding the Fourth Proportional to 77,904.20, 116,913.90 and 51,600.20

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Solution

The fourth proportional to 77,904.20, 116,913.90 and 51,600.20 is: 77,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,904.20 : 116,913.90 = 51,600.20 : x
  2. Step 2: Convert to fraction form
    77,904.20/116,913.90 = 51,600.20/x
  3. Step 3: Cross multiply
    77,904.20x = 116,913.90 × 51,600.20
  4. Step 4: Simplify right side
    77,904.20x = 6,032,780,622.78
  5. Step 5: Solve for x
    x = 6,032,780,622.78/77,904.20
  6. Step 6: Final answer
    x = 77,438.45

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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.