Home / 74,441.16-102,723.48-42,609.60

Finding the Fourth Proportional to 74,441.16, 102,723.48 and 42,609.60

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Solution

The fourth proportional to 74,441.16, 102,723.48 and 42,609.60 is: 58,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,441.16 : 102,723.48 = 42,609.60 : x
  2. Step 2: Convert to fraction form
    74,441.16/102,723.48 = 42,609.60/x
  3. Step 3: Cross multiply
    74,441.16x = 102,723.48 × 42,609.60
  4. Step 4: Simplify right side
    74,441.16x = 4,377,006,393.41
  5. Step 5: Solve for x
    x = 4,377,006,393.41/74,441.16
  6. Step 6: Final answer
    x = 58,798.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.