Home / 102,890.41-154,354.02-36,369.16

Finding the Fourth Proportional to 102,890.41, 154,354.02 and 36,369.16

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Solution

The fourth proportional to 102,890.41, 154,354.02 and 36,369.16 is: 54,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,890.41 : 154,354.02 = 36,369.16 : x
  2. Step 2: Convert to fraction form
    102,890.41/154,354.02 = 36,369.16/x
  3. Step 3: Cross multiply
    102,890.41x = 154,354.02 × 36,369.16
  4. Step 4: Simplify right side
    102,890.41x = 5,613,726,050.02
  5. Step 5: Solve for x
    x = 5,613,726,050.02/102,890.41
  6. Step 6: Final answer
    x = 54,560.25

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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.