Home / 54,740.61-75,543.91-31,768.67

Finding the Fourth Proportional to 54,740.61, 75,543.91 and 31,768.67

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Solution

The fourth proportional to 54,740.61, 75,543.91 and 31,768.67 is: 43,841.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,740.61 : 75,543.91 = 31,768.67 : x
  2. Step 2: Convert to fraction form
    54,740.61/75,543.91 = 31,768.67/x
  3. Step 3: Cross multiply
    54,740.61x = 75,543.91 × 31,768.67
  4. Step 4: Simplify right side
    54,740.61x = 2,399,929,090.16
  5. Step 5: Solve for x
    x = 2,399,929,090.16/54,740.61
  6. Step 6: Final answer
    x = 43,841.84

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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.