Home / 115,017.18-172,599.52-55,820.58

Finding the Fourth Proportional to 115,017.18, 172,599.52 and 55,820.58

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Solution

The fourth proportional to 115,017.18, 172,599.52 and 55,820.58 is: 83,766.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,017.18 : 172,599.52 = 55,820.58 : x
  2. Step 2: Convert to fraction form
    115,017.18/172,599.52 = 55,820.58/x
  3. Step 3: Cross multiply
    115,017.18x = 172,599.52 × 55,820.58
  4. Step 4: Simplify right side
    115,017.18x = 9,634,604,451.12
  5. Step 5: Solve for x
    x = 9,634,604,451.12/115,017.18
  6. Step 6: Final answer
    x = 83,766.66

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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.