Home / 56,120.41-77,446.62-30,626.98

Finding the Fourth Proportional to 56,120.41, 77,446.62 and 30,626.98

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Solution

The fourth proportional to 56,120.41, 77,446.62 and 30,626.98 is: 42,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,120.41 : 77,446.62 = 30,626.98 : x
  2. Step 2: Convert to fraction form
    56,120.41/77,446.62 = 30,626.98/x
  3. Step 3: Cross multiply
    56,120.41x = 77,446.62 × 30,626.98
  4. Step 4: Simplify right side
    56,120.41x = 2,371,956,081.81
  5. Step 5: Solve for x
    x = 2,371,956,081.81/56,120.41
  6. Step 6: Final answer
    x = 42,265.48

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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.