Home / 90,605.15-135,897.16-24,050.45

Finding the Fourth Proportional to 90,605.15, 135,897.16 and 24,050.45

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Solution

The fourth proportional to 90,605.15, 135,897.16 and 24,050.45 is: 36,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,605.15 : 135,897.16 = 24,050.45 : x
  2. Step 2: Convert to fraction form
    90,605.15/135,897.16 = 24,050.45/x
  3. Step 3: Cross multiply
    90,605.15x = 135,897.16 × 24,050.45
  4. Step 4: Simplify right side
    90,605.15x = 3,268,387,851.72
  5. Step 5: Solve for x
    x = 3,268,387,851.72/90,605.15
  6. Step 6: Final answer
    x = 36,072.87

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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.