Home / 61,441.07-84,802.50-40,208.03

Finding the Fourth Proportional to 61,441.07, 84,802.50 and 40,208.03

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Solution

The fourth proportional to 61,441.07, 84,802.50 and 40,208.03 is: 55,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,441.07 : 84,802.50 = 40,208.03 : x
  2. Step 2: Convert to fraction form
    61,441.07/84,802.50 = 40,208.03/x
  3. Step 3: Cross multiply
    61,441.07x = 84,802.50 × 40,208.03
  4. Step 4: Simplify right side
    61,441.07x = 3,409,741,776.60
  5. Step 5: Solve for x
    x = 3,409,741,776.60/61,441.07
  6. Step 6: Final answer
    x = 55,496.14

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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.