Home / 76,207.79-105,194.36-62,036.03

Finding the Fourth Proportional to 76,207.79, 105,194.36 and 62,036.03

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Solution

The fourth proportional to 76,207.79, 105,194.36 and 62,036.03 is: 85,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,207.79 : 105,194.36 = 62,036.03 : x
  2. Step 2: Convert to fraction form
    76,207.79/105,194.36 = 62,036.03/x
  3. Step 3: Cross multiply
    76,207.79x = 105,194.36 × 62,036.03
  4. Step 4: Simplify right side
    76,207.79x = 6,525,840,472.79
  5. Step 5: Solve for x
    x = 6,525,840,472.79/76,207.79
  6. Step 6: Final answer
    x = 85,632.20

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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.