Home / 70,901.19-97,845.70-39,072.14

Finding the Fourth Proportional to 70,901.19, 97,845.70 and 39,072.14

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Solution

The fourth proportional to 70,901.19, 97,845.70 and 39,072.14 is: 53,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,901.19 : 97,845.70 = 39,072.14 : x
  2. Step 2: Convert to fraction form
    70,901.19/97,845.70 = 39,072.14/x
  3. Step 3: Cross multiply
    70,901.19x = 97,845.70 × 39,072.14
  4. Step 4: Simplify right side
    70,901.19x = 3,823,040,888.80
  5. Step 5: Solve for x
    x = 3,823,040,888.80/70,901.19
  6. Step 6: Final answer
    x = 53,920.69

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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.