Home / 85,130.14-117,480.39-46,889.83

Finding the Fourth Proportional to 85,130.14, 117,480.39 and 46,889.83

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Solution

The fourth proportional to 85,130.14, 117,480.39 and 46,889.83 is: 64,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,130.14 : 117,480.39 = 46,889.83 : x
  2. Step 2: Convert to fraction form
    85,130.14/117,480.39 = 46,889.83/x
  3. Step 3: Cross multiply
    85,130.14x = 117,480.39 × 46,889.83
  4. Step 4: Simplify right side
    85,130.14x = 5,508,634,825.62
  5. Step 5: Solve for x
    x = 5,508,634,825.62/85,130.14
  6. Step 6: Final answer
    x = 64,708.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.