Home / 109,973.78-164,927.75-57,354.56

Finding the Fourth Proportional to 109,973.78, 164,927.75 and 57,354.56

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Solution

The fourth proportional to 109,973.78, 164,927.75 and 57,354.56 is: 86,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,973.78 : 164,927.75 = 57,354.56 : x
  2. Step 2: Convert to fraction form
    109,973.78/164,927.75 = 57,354.56/x
  3. Step 3: Cross multiply
    109,973.78x = 164,927.75 × 57,354.56
  4. Step 4: Simplify right side
    109,973.78x = 9,459,357,851.79
  5. Step 5: Solve for x
    x = 9,459,357,851.79/109,973.78
  6. Step 6: Final answer
    x = 86,014.67

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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.