Home / 70,899.40-97,843.26-39,070.35

Finding the Fourth Proportional to 70,899.40, 97,843.26 and 39,070.35

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Solution

The fourth proportional to 70,899.40, 97,843.26 and 39,070.35 is: 53,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,899.40 : 97,843.26 = 39,070.35 : x
  2. Step 2: Convert to fraction form
    70,899.40/97,843.26 = 39,070.35/x
  3. Step 3: Cross multiply
    70,899.40x = 97,843.26 × 39,070.35
  4. Step 4: Simplify right side
    70,899.40x = 3,822,770,559.85
  5. Step 5: Solve for x
    x = 3,822,770,559.85/70,899.40
  6. Step 6: Final answer
    x = 53,918.23

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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.