Home / 70,741.63-97,625.01-38,912.14

Finding the Fourth Proportional to 70,741.63, 97,625.01 and 38,912.14

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Solution

The fourth proportional to 70,741.63, 97,625.01 and 38,912.14 is: 53,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,741.63 : 97,625.01 = 38,912.14 : x
  2. Step 2: Convert to fraction form
    70,741.63/97,625.01 = 38,912.14/x
  3. Step 3: Cross multiply
    70,741.63x = 97,625.01 × 38,912.14
  4. Step 4: Simplify right side
    70,741.63x = 3,798,798,056.62
  5. Step 5: Solve for x
    x = 3,798,798,056.62/70,741.63
  6. Step 6: Final answer
    x = 53,699.61

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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.