Home / 102,571.59-141,555.93-57,258.42

Finding the Fourth Proportional to 102,571.59, 141,555.93 and 57,258.42

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Solution

The fourth proportional to 102,571.59, 141,555.93 and 57,258.42 is: 79,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,571.59 : 141,555.93 = 57,258.42 : x
  2. Step 2: Convert to fraction form
    102,571.59/141,555.93 = 57,258.42/x
  3. Step 3: Cross multiply
    102,571.59x = 141,555.93 × 57,258.42
  4. Step 4: Simplify right side
    102,571.59x = 8,105,268,893.43
  5. Step 5: Solve for x
    x = 8,105,268,893.43/102,571.59
  6. Step 6: Final answer
    x = 79,020.60

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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.