Home / 55,715.04-76,898.07-37,815.81

Finding the Fourth Proportional to 55,715.04, 76,898.07 and 37,815.81

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Solution

The fourth proportional to 55,715.04, 76,898.07 and 37,815.81 is: 52,193.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,715.04 : 76,898.07 = 37,815.81 : x
  2. Step 2: Convert to fraction form
    55,715.04/76,898.07 = 37,815.81/x
  3. Step 3: Cross multiply
    55,715.04x = 76,898.07 × 37,815.81
  4. Step 4: Simplify right side
    55,715.04x = 2,907,962,804.49
  5. Step 5: Solve for x
    x = 2,907,962,804.49/55,715.04
  6. Step 6: Final answer
    x = 52,193.50

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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.