Home / 54,000.89-74,520.93-30,127.51

Finding the Fourth Proportional to 54,000.89, 74,520.93 and 30,127.51

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Solution

The fourth proportional to 54,000.89, 74,520.93 and 30,127.51 is: 41,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,000.89 : 74,520.93 = 30,127.51 : x
  2. Step 2: Convert to fraction form
    54,000.89/74,520.93 = 30,127.51/x
  3. Step 3: Cross multiply
    54,000.89x = 74,520.93 × 30,127.51
  4. Step 4: Simplify right side
    54,000.89x = 2,245,130,063.78
  5. Step 5: Solve for x
    x = 2,245,130,063.78/54,000.89
  6. Step 6: Final answer
    x = 41,575.80

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1.5x scale

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.