Home / 77,433.64-116,150.10-51,132.10

Finding the Fourth Proportional to 77,433.64, 116,150.10 and 51,132.10

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Solution

The fourth proportional to 77,433.64, 116,150.10 and 51,132.10 is: 76,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,433.64 : 116,150.10 = 51,132.10 : x
  2. Step 2: Convert to fraction form
    77,433.64/116,150.10 = 51,132.10/x
  3. Step 3: Cross multiply
    77,433.64x = 116,150.10 × 51,132.10
  4. Step 4: Simplify right side
    77,433.64x = 5,938,998,528.21
  5. Step 5: Solve for x
    x = 5,938,998,528.21/77,433.64
  6. Step 6: Final answer
    x = 76,697.91

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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.