Home / 55,971.21-77,291.57-35,559.86

Finding the Fourth Proportional to 55,971.21, 77,291.57 and 35,559.86

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Solution

The fourth proportional to 55,971.21, 77,291.57 and 35,559.86 is: 49,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,971.21 : 77,291.57 = 35,559.86 : x
  2. Step 2: Convert to fraction form
    55,971.21/77,291.57 = 35,559.86/x
  3. Step 3: Cross multiply
    55,971.21x = 77,291.57 × 35,559.86
  4. Step 4: Simplify right side
    55,971.21x = 2,748,477,690.51
  5. Step 5: Solve for x
    x = 2,748,477,690.51/55,971.21
  6. Step 6: Final answer
    x = 49,105.21

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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.