Home / 56,915.89-85,386.53-17,476.99

Finding the Fourth Proportional to 56,915.89, 85,386.53 and 17,476.99

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Solution

The fourth proportional to 56,915.89, 85,386.53 and 17,476.99 is: 26,219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,915.89 : 85,386.53 = 17,476.99 : x
  2. Step 2: Convert to fraction form
    56,915.89/85,386.53 = 17,476.99/x
  3. Step 3: Cross multiply
    56,915.89x = 85,386.53 × 17,476.99
  4. Step 4: Simplify right side
    56,915.89x = 1,492,299,530.94
  5. Step 5: Solve for x
    x = 1,492,299,530.94/56,915.89
  6. Step 6: Final answer
    x = 26,219.38

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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.