Home / 75,320.91-103,946.61-43,057.19

Finding the Fourth Proportional to 75,320.91, 103,946.61 and 43,057.19

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Solution

The fourth proportional to 75,320.91, 103,946.61 and 43,057.19 is: 59,421.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320.91 : 103,946.61 = 43,057.19 : x
  2. Step 2: Convert to fraction form
    75,320.91/103,946.61 = 43,057.19/x
  3. Step 3: Cross multiply
    75,320.91x = 103,946.61 × 43,057.19
  4. Step 4: Simplify right side
    75,320.91x = 4,475,648,416.89
  5. Step 5: Solve for x
    x = 4,475,648,416.89/75,320.91
  6. Step 6: Final answer
    x = 59,421.06

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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.