Home / 76,038.96-113,973.44-31,635.52

Finding the Fourth Proportional to 76,038.96, 113,973.44 and 31,635.52

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Solution

The fourth proportional to 76,038.96, 113,973.44 and 31,635.52 is: 47,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,038.96 : 113,973.44 = 31,635.52 : x
  2. Step 2: Convert to fraction form
    76,038.96/113,973.44 = 31,635.52/x
  3. Step 3: Cross multiply
    76,038.96x = 113,973.44 × 31,635.52
  4. Step 4: Simplify right side
    76,038.96x = 3,605,609,040.59
  5. Step 5: Solve for x
    x = 3,605,609,040.59/76,038.96
  6. Step 6: Final answer
    x = 47,417.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.