Home / 67,678.50-93,438.69-43,489.26

Finding the Fourth Proportional to 67,678.50, 93,438.69 and 43,489.26

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Solution

The fourth proportional to 67,678.50, 93,438.69 and 43,489.26 is: 60,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,678.50 : 93,438.69 = 43,489.26 : x
  2. Step 2: Convert to fraction form
    67,678.50/93,438.69 = 43,489.26/x
  3. Step 3: Cross multiply
    67,678.50x = 93,438.69 × 43,489.26
  4. Step 4: Simplify right side
    67,678.50x = 4,063,579,483.47
  5. Step 5: Solve for x
    x = 4,063,579,483.47/67,678.50
  6. Step 6: Final answer
    x = 60,042.40

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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.