Home / 83,039.64-114,559.76-57,903.72

Finding the Fourth Proportional to 83,039.64, 114,559.76 and 57,903.72

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Solution

The fourth proportional to 83,039.64, 114,559.76 and 57,903.72 is: 79,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,039.64 : 114,559.76 = 57,903.72 : x
  2. Step 2: Convert to fraction form
    83,039.64/114,559.76 = 57,903.72/x
  3. Step 3: Cross multiply
    83,039.64x = 114,559.76 × 57,903.72
  4. Step 4: Simplify right side
    83,039.64x = 6,633,436,266.31
  5. Step 5: Solve for x
    x = 6,633,436,266.31/83,039.64
  6. Step 6: Final answer
    x = 79,882.77

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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.