Home / 77,794.41-116,665.64-30,397.16

Finding the Fourth Proportional to 77,794.41, 116,665.64 and 30,397.16

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Solution

The fourth proportional to 77,794.41, 116,665.64 and 30,397.16 is: 45,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,794.41 : 116,665.64 = 30,397.16 : x
  2. Step 2: Convert to fraction form
    77,794.41/116,665.64 = 30,397.16/x
  3. Step 3: Cross multiply
    77,794.41x = 116,665.64 × 30,397.16
  4. Step 4: Simplify right side
    77,794.41x = 3,546,303,390.27
  5. Step 5: Solve for x
    x = 3,546,303,390.27/77,794.41
  6. Step 6: Final answer
    x = 45,585.58

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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.