Home / 113,814.40-157,062.64-62,827.52

Finding the Fourth Proportional to 113,814.40, 157,062.64 and 62,827.52

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Solution

The fourth proportional to 113,814.40, 157,062.64 and 62,827.52 is: 86,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,814.40 : 157,062.64 = 62,827.52 : x
  2. Step 2: Convert to fraction form
    113,814.40/157,062.64 = 62,827.52/x
  3. Step 3: Cross multiply
    113,814.40x = 157,062.64 × 62,827.52
  4. Step 4: Simplify right side
    113,814.40x = 9,867,856,155.85
  5. Step 5: Solve for x
    x = 9,867,856,155.85/113,814.40
  6. Step 6: Final answer
    x = 86,701.30

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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.