Home / 107,068.11-147,741.68-59,309.31

Finding the Fourth Proportional to 107,068.11, 147,741.68 and 59,309.31

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Solution

The fourth proportional to 107,068.11, 147,741.68 and 59,309.31 is: 81,840.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,068.11 : 147,741.68 = 59,309.31 : x
  2. Step 2: Convert to fraction form
    107,068.11/147,741.68 = 59,309.31/x
  3. Step 3: Cross multiply
    107,068.11x = 147,741.68 × 59,309.31
  4. Step 4: Simplify right side
    107,068.11x = 8,762,456,802.49
  5. Step 5: Solve for x
    x = 8,762,456,802.49/107,068.11
  6. Step 6: Final answer
    x = 81,840.03

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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.