Home / 77,729.91-116,598.51-25,143.50

Finding the Fourth Proportional to 77,729.91, 116,598.51 and 25,143.50

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Solution

The fourth proportional to 77,729.91, 116,598.51 and 25,143.50 is: 37,716.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,729.91 : 116,598.51 = 25,143.50 : x
  2. Step 2: Convert to fraction form
    77,729.91/116,598.51 = 25,143.50/x
  3. Step 3: Cross multiply
    77,729.91x = 116,598.51 × 25,143.50
  4. Step 4: Simplify right side
    77,729.91x = 2,931,694,053.19
  5. Step 5: Solve for x
    x = 2,931,694,053.19/77,729.91
  6. Step 6: Final answer
    x = 37,716.42

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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.