Home / 56,647.74-78,145.11-37,752.06

Finding the Fourth Proportional to 56,647.74, 78,145.11 and 37,752.06

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Solution

The fourth proportional to 56,647.74, 78,145.11 and 37,752.06 is: 52,078.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,647.74 : 78,145.11 = 37,752.06 : x
  2. Step 2: Convert to fraction form
    56,647.74/78,145.11 = 37,752.06/x
  3. Step 3: Cross multiply
    56,647.74x = 78,145.11 × 37,752.06
  4. Step 4: Simplify right side
    56,647.74x = 2,950,138,881.43
  5. Step 5: Solve for x
    x = 2,950,138,881.43/56,647.74
  6. Step 6: Final answer
    x = 52,078.67

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1.5x scale

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.