Home / 76,374.94-114,526.05-31,389.27

Finding the Fourth Proportional to 76,374.94, 114,526.05 and 31,389.27

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Solution

The fourth proportional to 76,374.94, 114,526.05 and 31,389.27 is: 47,068.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,374.94 : 114,526.05 = 31,389.27 : x
  2. Step 2: Convert to fraction form
    76,374.94/114,526.05 = 31,389.27/x
  3. Step 3: Cross multiply
    76,374.94x = 114,526.05 × 31,389.27
  4. Step 4: Simplify right side
    76,374.94x = 3,594,888,532.85
  5. Step 5: Solve for x
    x = 3,594,888,532.85/76,374.94
  6. Step 6: Final answer
    x = 47,068.95

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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.