Home / 45,915.12-68,848.78-16,328.64

Finding the Fourth Proportional to 45,915.12, 68,848.78 and 16,328.64

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Solution

The fourth proportional to 45,915.12, 68,848.78 and 16,328.64 is: 24,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,915.12 : 68,848.78 = 16,328.64 : x
  2. Step 2: Convert to fraction form
    45,915.12/68,848.78 = 16,328.64/x
  3. Step 3: Cross multiply
    45,915.12x = 68,848.78 × 16,328.64
  4. Step 4: Simplify right side
    45,915.12x = 1,124,206,943.06
  5. Step 5: Solve for x
    x = 1,124,206,943.06/45,915.12
  6. Step 6: Final answer
    x = 24,484.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.