Home / 79,440.19-109,637.19-45,906.19

Finding the Fourth Proportional to 79,440.19, 109,637.19 and 45,906.19

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Solution

The fourth proportional to 79,440.19, 109,637.19 and 45,906.19 is: 63,356.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,440.19 : 109,637.19 = 45,906.19 : x
  2. Step 2: Convert to fraction form
    79,440.19/109,637.19 = 45,906.19/x
  3. Step 3: Cross multiply
    79,440.19x = 109,637.19 × 45,906.19
  4. Step 4: Simplify right side
    79,440.19x = 5,033,025,675.21
  5. Step 5: Solve for x
    x = 5,033,025,675.21/79,440.19
  6. Step 6: Final answer
    x = 63,356.16

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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.