Home / 104,055.33-143,561.21-67,740.20

Finding the Fourth Proportional to 104,055.33, 143,561.21 and 67,740.20

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Solution

The fourth proportional to 104,055.33, 143,561.21 and 67,740.20 is: 93,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,055.33 : 143,561.21 = 67,740.20 : x
  2. Step 2: Convert to fraction form
    104,055.33/143,561.21 = 67,740.20/x
  3. Step 3: Cross multiply
    104,055.33x = 143,561.21 × 67,740.20
  4. Step 4: Simplify right side
    104,055.33x = 9,724,865,077.64
  5. Step 5: Solve for x
    x = 9,724,865,077.64/104,055.33
  6. Step 6: Final answer
    x = 93,458.60

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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.