Home / 71,199.51-98,241.10-39,362.25

Finding the Fourth Proportional to 71,199.51, 98,241.10 and 39,362.25

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Solution

The fourth proportional to 71,199.51, 98,241.10 and 39,362.25 is: 54,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,199.51 : 98,241.10 = 39,362.25 : x
  2. Step 2: Convert to fraction form
    71,199.51/98,241.10 = 39,362.25/x
  3. Step 3: Cross multiply
    71,199.51x = 98,241.10 × 39,362.25
  4. Step 4: Simplify right side
    71,199.51x = 3,866,991,229.89
  5. Step 5: Solve for x
    x = 3,866,991,229.89/71,199.51
  6. Step 6: Final answer
    x = 54,312.05

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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.