Home / 172,056.89-258,078.49-59,762.63

Finding the Fourth Proportional to 172,056.89, 258,078.49 and 59,762.63

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Solution

The fourth proportional to 172,056.89, 258,078.49 and 59,762.63 is: 89,641.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,056.89 : 258,078.49 = 59,762.63 : x
  2. Step 2: Convert to fraction form
    172,056.89/258,078.49 = 59,762.63/x
  3. Step 3: Cross multiply
    172,056.89x = 258,078.49 × 59,762.63
  4. Step 4: Simplify right side
    172,056.89x = 15,423,449,804.62
  5. Step 5: Solve for x
    x = 15,423,449,804.62/172,056.89
  6. Step 6: Final answer
    x = 89,641.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.