Home / 45,915.33-68,808.36-36,513.57

Finding the Fourth Proportional to 45,915.33, 68,808.36 and 36,513.57

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Solution

The fourth proportional to 45,915.33, 68,808.36 and 36,513.57 is: 54,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,915.33 : 68,808.36 = 36,513.57 : x
  2. Step 2: Convert to fraction form
    45,915.33/68,808.36 = 36,513.57/x
  3. Step 3: Cross multiply
    45,915.33x = 68,808.36 × 36,513.57
  4. Step 4: Simplify right side
    45,915.33x = 2,512,438,869.45
  5. Step 5: Solve for x
    x = 2,512,438,869.45/45,915.33
  6. Step 6: Final answer
    x = 54,718.95

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1.5x scale

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.