Home / 53,107.40-79,642.74-23,545.91

Finding the Fourth Proportional to 53,107.40, 79,642.74 and 23,545.91

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Solution

The fourth proportional to 53,107.40, 79,642.74 and 23,545.91 is: 35,310.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,107.40 : 79,642.74 = 23,545.91 : x
  2. Step 2: Convert to fraction form
    53,107.40/79,642.74 = 23,545.91/x
  3. Step 3: Cross multiply
    53,107.40x = 79,642.74 × 23,545.91
  4. Step 4: Simplify right side
    53,107.40x = 1,875,260,788.19
  5. Step 5: Solve for x
    x = 1,875,260,788.19/53,107.40
  6. Step 6: Final answer
    x = 35,310.72

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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.