Home / 102,588.73-141,555.40-68,542.61

Finding the Fourth Proportional to 102,588.73, 141,555.40 and 68,542.61

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Solution

The fourth proportional to 102,588.73, 141,555.40 and 68,542.61 is: 94,577.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,588.73 : 141,555.40 = 68,542.61 : x
  2. Step 2: Convert to fraction form
    102,588.73/141,555.40 = 68,542.61/x
  3. Step 3: Cross multiply
    102,588.73x = 141,555.40 × 68,542.61
  4. Step 4: Simplify right side
    102,588.73x = 9,702,575,696.46
  5. Step 5: Solve for x
    x = 9,702,575,696.46/102,588.73
  6. Step 6: Final answer
    x = 94,577.41

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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.