Home / 79,085.28-118,643.73-29,165.61

Finding the Fourth Proportional to 79,085.28, 118,643.73 and 29,165.61

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Solution

The fourth proportional to 79,085.28, 118,643.73 and 29,165.61 is: 43,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,085.28 : 118,643.73 = 29,165.61 : x
  2. Step 2: Convert to fraction form
    79,085.28/118,643.73 = 29,165.61/x
  3. Step 3: Cross multiply
    79,085.28x = 118,643.73 × 29,165.61
  4. Step 4: Simplify right side
    79,085.28x = 3,460,316,758.13
  5. Step 5: Solve for x
    x = 3,460,316,758.13/79,085.28
  6. Step 6: Final answer
    x = 43,754.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.