Home / 102,662.48-141,665.02-57,334.18

Finding the Fourth Proportional to 102,662.48, 141,665.02 and 57,334.18

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Solution

The fourth proportional to 102,662.48, 141,665.02 and 57,334.18 is: 79,116.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,662.48 : 141,665.02 = 57,334.18 : x
  2. Step 2: Convert to fraction form
    102,662.48/141,665.02 = 57,334.18/x
  3. Step 3: Cross multiply
    102,662.48x = 141,665.02 × 57,334.18
  4. Step 4: Simplify right side
    102,662.48x = 8,122,247,756.38
  5. Step 5: Solve for x
    x = 8,122,247,756.38/102,662.48
  6. Step 6: Final answer
    x = 79,116.03

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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.