Home / 56,915.18-85,358.15-16,923.78

Finding the Fourth Proportional to 56,915.18, 85,358.15 and 16,923.78

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Solution

The fourth proportional to 56,915.18, 85,358.15 and 16,923.78 is: 25,381.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,915.18 : 85,358.15 = 16,923.78 : x
  2. Step 2: Convert to fraction form
    56,915.18/85,358.15 = 16,923.78/x
  3. Step 3: Cross multiply
    56,915.18x = 85,358.15 × 16,923.78
  4. Step 4: Simplify right side
    56,915.18x = 1,444,582,467.19
  5. Step 5: Solve for x
    x = 1,444,582,467.19/56,915.18
  6. Step 6: Final answer
    x = 25,381.32

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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.