Home / 104,578.24-144,317.52-56,830.72

Finding the Fourth Proportional to 104,578.24, 144,317.52 and 56,830.72

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Solution

The fourth proportional to 104,578.24, 144,317.52 and 56,830.72 is: 78,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,578.24 : 144,317.52 = 56,830.72 : x
  2. Step 2: Convert to fraction form
    104,578.24/144,317.52 = 56,830.72/x
  3. Step 3: Cross multiply
    104,578.24x = 144,317.52 × 56,830.72
  4. Step 4: Simplify right side
    104,578.24x = 8,201,668,570.21
  5. Step 5: Solve for x
    x = 8,201,668,570.21/104,578.24
  6. Step 6: Final answer
    x = 78,426.15

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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.