Home / 70,943.01-97,896.94-39,111.85

Finding the Fourth Proportional to 70,943.01, 97,896.94 and 39,111.85

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Solution

The fourth proportional to 70,943.01, 97,896.94 and 39,111.85 is: 53,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,943.01 : 97,896.94 = 39,111.85 : x
  2. Step 2: Convert to fraction form
    70,943.01/97,896.94 = 39,111.85/x
  3. Step 3: Cross multiply
    70,943.01x = 97,896.94 × 39,111.85
  4. Step 4: Simplify right side
    70,943.01x = 3,828,930,432.74
  5. Step 5: Solve for x
    x = 3,828,930,432.74/70,943.01
  6. Step 6: Final answer
    x = 53,971.92

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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.