Home / 104,154.83-143,733.24-58,830.47

Finding the Fourth Proportional to 104,154.83, 143,733.24 and 58,830.47

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Solution

The fourth proportional to 104,154.83, 143,733.24 and 58,830.47 is: 81,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,154.83 : 143,733.24 = 58,830.47 : x
  2. Step 2: Convert to fraction form
    104,154.83/143,733.24 = 58,830.47/x
  3. Step 3: Cross multiply
    104,154.83x = 143,733.24 × 58,830.47
  4. Step 4: Simplify right side
    104,154.83x = 8,455,893,345.16
  5. Step 5: Solve for x
    x = 8,455,893,345.16/104,154.83
  6. Step 6: Final answer
    x = 81,185.81

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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.