Home / 105,881.04-146,184.20-65,637.60

Finding the Fourth Proportional to 105,881.04, 146,184.20 and 65,637.60

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Solution

The fourth proportional to 105,881.04, 146,184.20 and 65,637.60 is: 90,622.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,881.04 : 146,184.20 = 65,637.60 : x
  2. Step 2: Convert to fraction form
    105,881.04/146,184.20 = 65,637.60/x
  3. Step 3: Cross multiply
    105,881.04x = 146,184.20 × 65,637.60
  4. Step 4: Simplify right side
    105,881.04x = 9,595,180,045.92
  5. Step 5: Solve for x
    x = 9,595,180,045.92/105,881.04
  6. Step 6: Final answer
    x = 90,622.27

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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.