Home / 115,030.13-172,648.13-58,908.60

Finding the Fourth Proportional to 115,030.13, 172,648.13 and 58,908.60

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Solution

The fourth proportional to 115,030.13, 172,648.13 and 58,908.60 is: 88,415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,030.13 : 172,648.13 = 58,908.60 : x
  2. Step 2: Convert to fraction form
    115,030.13/172,648.13 = 58,908.60/x
  3. Step 3: Cross multiply
    115,030.13x = 172,648.13 × 58,908.60
  4. Step 4: Simplify right side
    115,030.13x = 10,170,459,336.38
  5. Step 5: Solve for x
    x = 10,170,459,336.38/115,030.13
  6. Step 6: Final answer
    x = 88,415.62

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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.