Home / 56,212.74-77,466.85-40,269.51

Finding the Fourth Proportional to 56,212.74, 77,466.85 and 40,269.51

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Solution

The fourth proportional to 56,212.74, 77,466.85 and 40,269.51 is: 55,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,212.74 : 77,466.85 = 40,269.51 : x
  2. Step 2: Convert to fraction form
    56,212.74/77,466.85 = 40,269.51/x
  3. Step 3: Cross multiply
    56,212.74x = 77,466.85 × 40,269.51
  4. Step 4: Simplify right side
    56,212.74x = 3,119,551,990.07
  5. Step 5: Solve for x
    x = 3,119,551,990.07/56,212.74
  6. Step 6: Final answer
    x = 55,495.46

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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.