Home / 77,783.28-116,693.36-25,192.72

Finding the Fourth Proportional to 77,783.28, 116,693.36 and 25,192.72

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Solution

The fourth proportional to 77,783.28, 116,693.36 and 25,192.72 is: 37,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,783.28 : 116,693.36 = 25,192.72 : x
  2. Step 2: Convert to fraction form
    77,783.28/116,693.36 = 25,192.72/x
  3. Step 3: Cross multiply
    77,783.28x = 116,693.36 × 25,192.72
  4. Step 4: Simplify right side
    77,783.28x = 2,939,823,144.34
  5. Step 5: Solve for x
    x = 2,939,823,144.34/77,783.28
  6. Step 6: Final answer
    x = 37,795.05

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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.