Home / 54,543.74-81,731.77-32,312.89

Finding the Fourth Proportional to 54,543.74, 81,731.77 and 32,312.89

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Solution

The fourth proportional to 54,543.74, 81,731.77 and 32,312.89 is: 48,419.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,543.74 : 81,731.77 = 32,312.89 : x
  2. Step 2: Convert to fraction form
    54,543.74/81,731.77 = 32,312.89/x
  3. Step 3: Cross multiply
    54,543.74x = 81,731.77 × 32,312.89
  4. Step 4: Simplify right side
    54,543.74x = 2,640,989,693.52
  5. Step 5: Solve for x
    x = 2,640,989,693.52/54,543.74
  6. Step 6: Final answer
    x = 48,419.67

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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.