Home / 104,041.16-143,577.31-58,721.06

Finding the Fourth Proportional to 104,041.16, 143,577.31 and 58,721.06

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Solution

The fourth proportional to 104,041.16, 143,577.31 and 58,721.06 is: 81,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,041.16 : 143,577.31 = 58,721.06 : x
  2. Step 2: Convert to fraction form
    104,041.16/143,577.31 = 58,721.06/x
  3. Step 3: Cross multiply
    104,041.16x = 143,577.31 × 58,721.06
  4. Step 4: Simplify right side
    104,041.16x = 8,431,011,835.15
  5. Step 5: Solve for x
    x = 8,431,011,835.15/104,041.16
  6. Step 6: Final answer
    x = 81,035.35

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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.