Home / 77,729.16-116,597.39-25,142.75

Finding the Fourth Proportional to 77,729.16, 116,597.39 and 25,142.75

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Solution

The fourth proportional to 77,729.16, 116,597.39 and 25,142.75 is: 37,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,729.16 : 116,597.39 = 25,142.75 : x
  2. Step 2: Convert to fraction form
    77,729.16/116,597.39 = 25,142.75/x
  3. Step 3: Cross multiply
    77,729.16x = 116,597.39 × 25,142.75
  4. Step 4: Simplify right side
    77,729.16x = 2,931,578,318.72
  5. Step 5: Solve for x
    x = 2,931,578,318.72/77,729.16
  6. Step 6: Final answer
    x = 37,715.30

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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.