Home / 113,814.26-157,079.49-63,516.50

Finding the Fourth Proportional to 113,814.26, 157,079.49 and 63,516.50

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Solution

The fourth proportional to 113,814.26, 157,079.49 and 63,516.50 is: 87,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,814.26 : 157,079.49 = 63,516.50 : x
  2. Step 2: Convert to fraction form
    113,814.26/157,079.49 = 63,516.50/x
  3. Step 3: Cross multiply
    113,814.26x = 157,079.49 × 63,516.50
  4. Step 4: Simplify right side
    113,814.26x = 9,977,139,426.59
  5. Step 5: Solve for x
    x = 9,977,139,426.59/113,814.26
  6. Step 6: Final answer
    x = 87,661.59

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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.