Home / 105,599.61-145,705.62-60,292.34

Finding the Fourth Proportional to 105,599.61, 145,705.62 and 60,292.34

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Solution

The fourth proportional to 105,599.61, 145,705.62 and 60,292.34 is: 83,190.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,599.61 : 145,705.62 = 60,292.34 : x
  2. Step 2: Convert to fraction form
    105,599.61/145,705.62 = 60,292.34/x
  3. Step 3: Cross multiply
    105,599.61x = 145,705.62 × 60,292.34
  4. Step 4: Simplify right side
    105,599.61x = 8,784,932,780.95
  5. Step 5: Solve for x
    x = 8,784,932,780.95/105,599.61
  6. Step 6: Final answer
    x = 83,190.96

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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.