Home / 105,324.24-145,347.72-62,881.80

Finding the Fourth Proportional to 105,324.24, 145,347.72 and 62,881.80

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Solution

The fourth proportional to 105,324.24, 145,347.72 and 62,881.80 is: 86,777.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,324.24 : 145,347.72 = 62,881.80 : x
  2. Step 2: Convert to fraction form
    105,324.24/145,347.72 = 62,881.80/x
  3. Step 3: Cross multiply
    105,324.24x = 145,347.72 × 62,881.80
  4. Step 4: Simplify right side
    105,324.24x = 9,139,726,259.50
  5. Step 5: Solve for x
    x = 9,139,726,259.50/105,324.24
  6. Step 6: Final answer
    x = 86,777.04

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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.