Home / 84,805.56-117,018.03-49,000.32

Finding the Fourth Proportional to 84,805.56, 117,018.03 and 49,000.32

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Solution

The fourth proportional to 84,805.56, 117,018.03 and 49,000.32 is: 67,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,805.56 : 117,018.03 = 49,000.32 : x
  2. Step 2: Convert to fraction form
    84,805.56/117,018.03 = 49,000.32/x
  3. Step 3: Cross multiply
    84,805.56x = 117,018.03 × 49,000.32
  4. Step 4: Simplify right side
    84,805.56x = 5,733,920,915.77
  5. Step 5: Solve for x
    x = 5,733,920,915.77/84,805.56
  6. Step 6: Final answer
    x = 67,612.56

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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.