Home / 79,045.63-109,083.09-43,235.53

Finding the Fourth Proportional to 79,045.63, 109,083.09 and 43,235.53

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Solution

The fourth proportional to 79,045.63, 109,083.09 and 43,235.53 is: 59,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,045.63 : 109,083.09 = 43,235.53 : x
  2. Step 2: Convert to fraction form
    79,045.63/109,083.09 = 43,235.53/x
  3. Step 3: Cross multiply
    79,045.63x = 109,083.09 × 43,235.53
  4. Step 4: Simplify right side
    79,045.63x = 4,716,265,210.19
  5. Step 5: Solve for x
    x = 4,716,265,210.19/79,045.63
  6. Step 6: Final answer
    x = 59,665.10

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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.