Home / 64,678.15-89,255.63-35,997.67

Finding the Fourth Proportional to 64,678.15, 89,255.63 and 35,997.67

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Solution

The fourth proportional to 64,678.15, 89,255.63 and 35,997.67 is: 49,676.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,678.15 : 89,255.63 = 35,997.67 : x
  2. Step 2: Convert to fraction form
    64,678.15/89,255.63 = 35,997.67/x
  3. Step 3: Cross multiply
    64,678.15x = 89,255.63 × 35,997.67
  4. Step 4: Simplify right side
    64,678.15x = 3,212,994,915.95
  5. Step 5: Solve for x
    x = 3,212,994,915.95/64,678.15
  6. Step 6: Final answer
    x = 49,676.67

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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.