Home / 70,943.89-97,906.98-39,112.74

Finding the Fourth Proportional to 70,943.89, 97,906.98 and 39,112.74

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Solution

The fourth proportional to 70,943.89, 97,906.98 and 39,112.74 is: 53,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,943.89 : 97,906.98 = 39,112.74 : x
  2. Step 2: Convert to fraction form
    70,943.89/97,906.98 = 39,112.74/x
  3. Step 3: Cross multiply
    70,943.89x = 97,906.98 × 39,112.74
  4. Step 4: Simplify right side
    70,943.89x = 3,829,410,252.93
  5. Step 5: Solve for x
    x = 3,829,410,252.93/70,943.89
  6. Step 6: Final answer
    x = 53,978.01

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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.