Home / 79,356.96-109,485.48-45,341.04

Finding the Fourth Proportional to 79,356.96, 109,485.48 and 45,341.04

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Solution

The fourth proportional to 79,356.96, 109,485.48 and 45,341.04 is: 62,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,356.96 : 109,485.48 = 45,341.04 : x
  2. Step 2: Convert to fraction form
    79,356.96/109,485.48 = 45,341.04/x
  3. Step 3: Cross multiply
    79,356.96x = 109,485.48 × 45,341.04
  4. Step 4: Simplify right side
    79,356.96x = 4,964,185,528.10
  5. Step 5: Solve for x
    x = 4,964,185,528.10/79,356.96
  6. Step 6: Final answer
    x = 62,555.14

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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.