Home / 56,120.36-77,443.68-30,626.08

Finding the Fourth Proportional to 56,120.36, 77,443.68 and 30,626.08

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Solution

The fourth proportional to 56,120.36, 77,443.68 and 30,626.08 is: 42,262.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,120.36 : 77,443.68 = 30,626.08 : x
  2. Step 2: Convert to fraction form
    56,120.36/77,443.68 = 30,626.08/x
  3. Step 3: Cross multiply
    56,120.36x = 77,443.68 × 30,626.08
  4. Step 4: Simplify right side
    56,120.36x = 2,371,796,339.17
  5. Step 5: Solve for x
    x = 2,371,796,339.17/56,120.36
  6. Step 6: Final answer
    x = 42,262.67

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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.