Home / 105,246.79-145,220.78-59,922.02

Finding the Fourth Proportional to 105,246.79, 145,220.78 and 59,922.02

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Solution

The fourth proportional to 105,246.79, 145,220.78 and 59,922.02 is: 82,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,246.79 : 145,220.78 = 59,922.02 : x
  2. Step 2: Convert to fraction form
    105,246.79/145,220.78 = 59,922.02/x
  3. Step 3: Cross multiply
    105,246.79x = 145,220.78 × 59,922.02
  4. Step 4: Simplify right side
    105,246.79x = 8,701,922,996.43
  5. Step 5: Solve for x
    x = 8,701,922,996.43/105,246.79
  6. Step 6: Final answer
    x = 82,681.13

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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.