Home / 86,787.84-119,764.48-49,059.84

Finding the Fourth Proportional to 86,787.84, 119,764.48 and 49,059.84

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Solution

The fourth proportional to 86,787.84, 119,764.48 and 49,059.84 is: 67,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,787.84 : 119,764.48 = 49,059.84 : x
  2. Step 2: Convert to fraction form
    86,787.84/119,764.48 = 49,059.84/x
  3. Step 3: Cross multiply
    86,787.84x = 119,764.48 × 49,059.84
  4. Step 4: Simplify right side
    86,787.84x = 5,875,626,226.48
  5. Step 5: Solve for x
    x = 5,875,626,226.48/86,787.84
  6. Step 6: Final answer
    x = 67,701.03

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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.