Home / 107,043.39-147,721.12-58,646.63

Finding the Fourth Proportional to 107,043.39, 147,721.12 and 58,646.63

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Solution

The fourth proportional to 107,043.39, 147,721.12 and 58,646.63 is: 80,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,043.39 : 147,721.12 = 58,646.63 : x
  2. Step 2: Convert to fraction form
    107,043.39/147,721.12 = 58,646.63/x
  3. Step 3: Cross multiply
    107,043.39x = 147,721.12 × 58,646.63
  4. Step 4: Simplify right side
    107,043.39x = 8,663,346,090.51
  5. Step 5: Solve for x
    x = 8,663,346,090.51/107,043.39
  6. Step 6: Final answer
    x = 80,933.03

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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.