Home / 104,312.14-143,949.35-56,564.87

Finding the Fourth Proportional to 104,312.14, 143,949.35 and 56,564.87

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Solution

The fourth proportional to 104,312.14, 143,949.35 and 56,564.87 is: 78,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,312.14 : 143,949.35 = 56,564.87 : x
  2. Step 2: Convert to fraction form
    104,312.14/143,949.35 = 56,564.87/x
  3. Step 3: Cross multiply
    104,312.14x = 143,949.35 × 56,564.87
  4. Step 4: Simplify right side
    104,312.14x = 8,142,475,691.00
  5. Step 5: Solve for x
    x = 8,142,475,691.00/104,312.14
  6. Step 6: Final answer
    x = 78,058.76

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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.