Home / 75,329.85-103,784.09-58,275.35

Finding the Fourth Proportional to 75,329.85, 103,784.09 and 58,275.35

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Solution

The fourth proportional to 75,329.85, 103,784.09 and 58,275.35 is: 80,287.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,329.85 : 103,784.09 = 58,275.35 : x
  2. Step 2: Convert to fraction form
    75,329.85/103,784.09 = 58,275.35/x
  3. Step 3: Cross multiply
    75,329.85x = 103,784.09 × 58,275.35
  4. Step 4: Simplify right side
    75,329.85x = 6,048,053,748.07
  5. Step 5: Solve for x
    x = 6,048,053,748.07/75,329.85
  6. Step 6: Final answer
    x = 80,287.61

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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.