Home / 77,851.92-116,351.26-56,836.20

Finding the Fourth Proportional to 77,851.92, 116,351.26 and 56,836.20

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Solution

The fourth proportional to 77,851.92, 116,351.26 and 56,836.20 is: 84,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,851.92 : 116,351.26 = 56,836.20 : x
  2. Step 2: Convert to fraction form
    77,851.92/116,351.26 = 56,836.20/x
  3. Step 3: Cross multiply
    77,851.92x = 116,351.26 × 56,836.20
  4. Step 4: Simplify right side
    77,851.92x = 6,612,963,483.61
  5. Step 5: Solve for x
    x = 6,612,963,483.61/77,851.92
  6. Step 6: Final answer
    x = 84,942.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.