Home / 57,156.75-78,858.09-37,029.06

Finding the Fourth Proportional to 57,156.75, 78,858.09 and 37,029.06

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Solution

The fourth proportional to 57,156.75, 78,858.09 and 37,029.06 is: 51,088.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,156.75 : 78,858.09 = 37,029.06 : x
  2. Step 2: Convert to fraction form
    57,156.75/78,858.09 = 37,029.06/x
  3. Step 3: Cross multiply
    57,156.75x = 78,858.09 × 37,029.06
  4. Step 4: Simplify right side
    57,156.75x = 2,920,040,946.10
  5. Step 5: Solve for x
    x = 2,920,040,946.10/57,156.75
  6. Step 6: Final answer
    x = 51,088.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.