Home / 74,718.37-103,110.69-40,726.86

Finding the Fourth Proportional to 74,718.37, 103,110.69 and 40,726.86

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Solution

The fourth proportional to 74,718.37, 103,110.69 and 40,726.86 is: 56,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,718.37 : 103,110.69 = 40,726.86 : x
  2. Step 2: Convert to fraction form
    74,718.37/103,110.69 = 40,726.86/x
  3. Step 3: Cross multiply
    74,718.37x = 103,110.69 × 40,726.86
  4. Step 4: Simplify right side
    74,718.37x = 4,199,374,402.19
  5. Step 5: Solve for x
    x = 4,199,374,402.19/74,718.37
  6. Step 6: Final answer
    x = 56,202.70

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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.