Home / 74,099.26-102,256.98-40,565.26

Finding the Fourth Proportional to 74,099.26, 102,256.98 and 40,565.26

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Solution

The fourth proportional to 74,099.26, 102,256.98 and 40,565.26 is: 55,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,099.26 : 102,256.98 = 40,565.26 : x
  2. Step 2: Convert to fraction form
    74,099.26/102,256.98 = 40,565.26/x
  3. Step 3: Cross multiply
    74,099.26x = 102,256.98 × 40,565.26
  4. Step 4: Simplify right side
    74,099.26x = 4,148,080,980.51
  5. Step 5: Solve for x
    x = 4,148,080,980.51/74,099.26
  6. Step 6: Final answer
    x = 55,980.06

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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.