Home / 45,913.44-68,466.12-42,278.16

Finding the Fourth Proportional to 45,913.44, 68,466.12 and 42,278.16

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Solution

The fourth proportional to 45,913.44, 68,466.12 and 42,278.16 is: 63,045.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,913.44 : 68,466.12 = 42,278.16 : x
  2. Step 2: Convert to fraction form
    45,913.44/68,466.12 = 42,278.16/x
  3. Step 3: Cross multiply
    45,913.44x = 68,466.12 × 42,278.16
  4. Step 4: Simplify right side
    45,913.44x = 2,894,621,575.94
  5. Step 5: Solve for x
    x = 2,894,621,575.94/45,913.44
  6. Step 6: Final answer
    x = 63,045.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.