Home / 113,741.86-156,969.22-63,431.14

Finding the Fourth Proportional to 113,741.86, 156,969.22 and 63,431.14

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Solution

The fourth proportional to 113,741.86, 156,969.22 and 63,431.14 is: 87,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,741.86 : 156,969.22 = 63,431.14 : x
  2. Step 2: Convert to fraction form
    113,741.86/156,969.22 = 63,431.14/x
  3. Step 3: Cross multiply
    113,741.86x = 156,969.22 × 63,431.14
  4. Step 4: Simplify right side
    113,741.86x = 9,956,736,569.51
  5. Step 5: Solve for x
    x = 9,956,736,569.51/113,741.86
  6. Step 6: Final answer
    x = 87,538.01

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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.