Home / 45,681.84-68,476.35-30,892.44

Finding the Fourth Proportional to 45,681.84, 68,476.35 and 30,892.44

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Solution

The fourth proportional to 45,681.84, 68,476.35 and 30,892.44 is: 46,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,681.84 : 68,476.35 = 30,892.44 : x
  2. Step 2: Convert to fraction form
    45,681.84/68,476.35 = 30,892.44/x
  3. Step 3: Cross multiply
    45,681.84x = 68,476.35 × 30,892.44
  4. Step 4: Simplify right side
    45,681.84x = 2,115,401,533.79
  5. Step 5: Solve for x
    x = 2,115,401,533.79/45,681.84
  6. Step 6: Final answer
    x = 46,307.28

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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.