Home / 74,378.25-102,647.45-46,089.41

Finding the Fourth Proportional to 74,378.25, 102,647.45 and 46,089.41

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Solution

The fourth proportional to 74,378.25, 102,647.45 and 46,089.41 is: 63,606.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,378.25 : 102,647.45 = 46,089.41 : x
  2. Step 2: Convert to fraction form
    74,378.25/102,647.45 = 46,089.41/x
  3. Step 3: Cross multiply
    74,378.25x = 102,647.45 × 46,089.41
  4. Step 4: Simplify right side
    74,378.25x = 4,730,960,010.49
  5. Step 5: Solve for x
    x = 4,730,960,010.49/74,378.25
  6. Step 6: Final answer
    x = 63,606.77

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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.