Home / 81,938.22-113,085.53-46,135.23

Finding the Fourth Proportional to 81,938.22, 113,085.53 and 46,135.23

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Solution

The fourth proportional to 81,938.22, 113,085.53 and 46,135.23 is: 63,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,938.22 : 113,085.53 = 46,135.23 : x
  2. Step 2: Convert to fraction form
    81,938.22/113,085.53 = 46,135.23/x
  3. Step 3: Cross multiply
    81,938.22x = 113,085.53 × 46,135.23
  4. Step 4: Simplify right side
    81,938.22x = 5,217,226,936.22
  5. Step 5: Solve for x
    x = 5,217,226,936.22/81,938.22
  6. Step 6: Final answer
    x = 63,672.69

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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.