Home / 51,690.24-77,522.40-37,813.68

Finding the Fourth Proportional to 51,690.24, 77,522.40 and 37,813.68

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Solution

The fourth proportional to 51,690.24, 77,522.40 and 37,813.68 is: 56,711.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,690.24 : 77,522.40 = 37,813.68 : x
  2. Step 2: Convert to fraction form
    51,690.24/77,522.40 = 37,813.68/x
  3. Step 3: Cross multiply
    51,690.24x = 77,522.40 × 37,813.68
  4. Step 4: Simplify right side
    51,690.24x = 2,931,407,226.43
  5. Step 5: Solve for x
    x = 2,931,407,226.43/51,690.24
  6. Step 6: Final answer
    x = 56,711.04

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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.