Home / 104,756.88-157,109.40-38,184.72

Finding the Fourth Proportional to 104,756.88, 157,109.40 and 38,184.72

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Solution

The fourth proportional to 104,756.88, 157,109.40 and 38,184.72 is: 57,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,756.88 : 157,109.40 = 38,184.72 : x
  2. Step 2: Convert to fraction form
    104,756.88/157,109.40 = 38,184.72/x
  3. Step 3: Cross multiply
    104,756.88x = 157,109.40 × 38,184.72
  4. Step 4: Simplify right side
    104,756.88x = 5,999,178,448.37
  5. Step 5: Solve for x
    x = 5,999,178,448.37/104,756.88
  6. Step 6: Final answer
    x = 57,267.63

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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.