Home / 77,313.88-106,683.19-45,471.16

Finding the Fourth Proportional to 77,313.88, 106,683.19 and 45,471.16

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Solution

The fourth proportional to 77,313.88, 106,683.19 and 45,471.16 is: 62,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,313.88 : 106,683.19 = 45,471.16 : x
  2. Step 2: Convert to fraction form
    77,313.88/106,683.19 = 45,471.16/x
  3. Step 3: Cross multiply
    77,313.88x = 106,683.19 × 45,471.16
  4. Step 4: Simplify right side
    77,313.88x = 4,851,008,401.80
  5. Step 5: Solve for x
    x = 4,851,008,401.80/77,313.88
  6. Step 6: Final answer
    x = 62,744.34

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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.