Home / 74,652.39-103,018.59-40,659.93

Finding the Fourth Proportional to 74,652.39, 103,018.59 and 40,659.93

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Solution

The fourth proportional to 74,652.39, 103,018.59 and 40,659.93 is: 56,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,652.39 : 103,018.59 = 40,659.93 : x
  2. Step 2: Convert to fraction form
    74,652.39/103,018.59 = 40,659.93/x
  3. Step 3: Cross multiply
    74,652.39x = 103,018.59 × 40,659.93
  4. Step 4: Simplify right side
    74,652.39x = 4,188,728,658.10
  5. Step 5: Solve for x
    x = 4,188,728,658.10/74,652.39
  6. Step 6: Final answer
    x = 56,109.77

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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.