Home / 56,890.10-78,474.47-36,758.81

Finding the Fourth Proportional to 56,890.10, 78,474.47 and 36,758.81

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Solution

The fourth proportional to 56,890.10, 78,474.47 and 36,758.81 is: 50,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,890.10 : 78,474.47 = 36,758.81 : x
  2. Step 2: Convert to fraction form
    56,890.10/78,474.47 = 36,758.81/x
  3. Step 3: Cross multiply
    56,890.10x = 78,474.47 × 36,758.81
  4. Step 4: Simplify right side
    56,890.10x = 2,884,628,351.74
  5. Step 5: Solve for x
    x = 2,884,628,351.74/56,890.10
  6. Step 6: Final answer
    x = 50,705.28

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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.