Home / 70,069.08-96,686.82-39,858.24

Finding the Fourth Proportional to 70,069.08, 96,686.82 and 39,858.24

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Solution

The fourth proportional to 70,069.08, 96,686.82 and 39,858.24 is: 54,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,069.08 : 96,686.82 = 39,858.24 : x
  2. Step 2: Convert to fraction form
    70,069.08/96,686.82 = 39,858.24/x
  3. Step 3: Cross multiply
    70,069.08x = 96,686.82 × 39,858.24
  4. Step 4: Simplify right side
    70,069.08x = 3,853,766,476.40
  5. Step 5: Solve for x
    x = 3,853,766,476.40/70,069.08
  6. Step 6: Final answer
    x = 54,999.53

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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.