Home / 88,283.80-121,817.54-58,081.34

Finding the Fourth Proportional to 88,283.80, 121,817.54 and 58,081.34

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Solution

The fourth proportional to 88,283.80, 121,817.54 and 58,081.34 is: 80,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,283.80 : 121,817.54 = 58,081.34 : x
  2. Step 2: Convert to fraction form
    88,283.80/121,817.54 = 58,081.34/x
  3. Step 3: Cross multiply
    88,283.80x = 121,817.54 × 58,081.34
  4. Step 4: Simplify right side
    88,283.80x = 7,075,325,958.70
  5. Step 5: Solve for x
    x = 7,075,325,958.70/88,283.80
  6. Step 6: Final answer
    x = 80,142.97

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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.