Home / 103,317.64-142,578.24-57,995.64

Finding the Fourth Proportional to 103,317.64, 142,578.24 and 57,995.64

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Solution

The fourth proportional to 103,317.64, 142,578.24 and 57,995.64 is: 80,033.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,317.64 : 142,578.24 = 57,995.64 : x
  2. Step 2: Convert to fraction form
    103,317.64/142,578.24 = 57,995.64/x
  3. Step 3: Cross multiply
    103,317.64x = 142,578.24 × 57,995.64
  4. Step 4: Simplify right side
    103,317.64x = 8,268,916,278.87
  5. Step 5: Solve for x
    x = 8,268,916,278.87/103,317.64
  6. Step 6: Final answer
    x = 80,033.93

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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.