Home / 76,248.18-114,123.87-68,973.30

Finding the Fourth Proportional to 76,248.18, 114,123.87 and 68,973.30

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Solution

The fourth proportional to 76,248.18, 114,123.87 and 68,973.30 is: 103,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,248.18 : 114,123.87 = 68,973.30 : x
  2. Step 2: Convert to fraction form
    76,248.18/114,123.87 = 68,973.30/x
  3. Step 3: Cross multiply
    76,248.18x = 114,123.87 × 68,973.30
  4. Step 4: Simplify right side
    76,248.18x = 7,871,499,922.67
  5. Step 5: Solve for x
    x = 7,871,499,922.67/76,248.18
  6. Step 6: Final answer
    x = 103,235.25

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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.