Home / 105,392.20-145,444.98-60,077.02

Finding the Fourth Proportional to 105,392.20, 145,444.98 and 60,077.02

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Solution

The fourth proportional to 105,392.20, 145,444.98 and 60,077.02 is: 82,908.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,392.20 : 145,444.98 = 60,077.02 : x
  2. Step 2: Convert to fraction form
    105,392.20/145,444.98 = 60,077.02/x
  3. Step 3: Cross multiply
    105,392.20x = 145,444.98 × 60,077.02
  4. Step 4: Simplify right side
    105,392.20x = 8,737,900,972.36
  5. Step 5: Solve for x
    x = 8,737,900,972.36/105,392.20
  6. Step 6: Final answer
    x = 82,908.42

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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.