Home / 115,070.09-172,493.55-58,936.68

Finding the Fourth Proportional to 115,070.09, 172,493.55 and 58,936.68

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Solution

The fourth proportional to 115,070.09, 172,493.55 and 58,936.68 is: 88,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,070.09 : 172,493.55 = 58,936.68 : x
  2. Step 2: Convert to fraction form
    115,070.09/172,493.55 = 58,936.68/x
  3. Step 3: Cross multiply
    115,070.09x = 172,493.55 × 58,936.68
  4. Step 4: Simplify right side
    115,070.09x = 10,166,197,158.41
  5. Step 5: Solve for x
    x = 10,166,197,158.41/115,070.09
  6. Step 6: Final answer
    x = 88,347.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.