Home / 105,087.84-145,024.41-59,772.35

Finding the Fourth Proportional to 105,087.84, 145,024.41 and 59,772.35

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Solution

The fourth proportional to 105,087.84, 145,024.41 and 59,772.35 is: 82,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,087.84 : 145,024.41 = 59,772.35 : x
  2. Step 2: Convert to fraction form
    105,087.84/145,024.41 = 59,772.35/x
  3. Step 3: Cross multiply
    105,087.84x = 145,024.41 × 59,772.35
  4. Step 4: Simplify right side
    105,087.84x = 8,668,449,067.94
  5. Step 5: Solve for x
    x = 8,668,449,067.94/105,087.84
  6. Step 6: Final answer
    x = 82,487.65

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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.