Home / 83,190.12-114,802.56-45,466.80

Finding the Fourth Proportional to 83,190.12, 114,802.56 and 45,466.80

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Solution

The fourth proportional to 83,190.12, 114,802.56 and 45,466.80 is: 62,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,190.12 : 114,802.56 = 45,466.80 : x
  2. Step 2: Convert to fraction form
    83,190.12/114,802.56 = 45,466.80/x
  3. Step 3: Cross multiply
    83,190.12x = 114,802.56 × 45,466.80
  4. Step 4: Simplify right side
    83,190.12x = 5,219,705,035.01
  5. Step 5: Solve for x
    x = 5,219,705,035.01/83,190.12
  6. Step 6: Final answer
    x = 62,744.29

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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.