Home / 70,847.46-97,771.05-39,018.11

Finding the Fourth Proportional to 70,847.46, 97,771.05 and 39,018.11

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Solution

The fourth proportional to 70,847.46, 97,771.05 and 39,018.11 is: 53,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,847.46 : 97,771.05 = 39,018.11 : x
  2. Step 2: Convert to fraction form
    70,847.46/97,771.05 = 39,018.11/x
  3. Step 3: Cross multiply
    70,847.46x = 97,771.05 × 39,018.11
  4. Step 4: Simplify right side
    70,847.46x = 3,814,841,094.86
  5. Step 5: Solve for x
    x = 3,814,841,094.86/70,847.46
  6. Step 6: Final answer
    x = 53,845.84

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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.