Home / 104,911.54-157,368.83-30,031.74

Finding the Fourth Proportional to 104,911.54, 157,368.83 and 30,031.74

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Solution

The fourth proportional to 104,911.54, 157,368.83 and 30,031.74 is: 45,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,911.54 : 157,368.83 = 30,031.74 : x
  2. Step 2: Convert to fraction form
    104,911.54/157,368.83 = 30,031.74/x
  3. Step 3: Cross multiply
    104,911.54x = 157,368.83 × 30,031.74
  4. Step 4: Simplify right side
    104,911.54x = 4,726,059,636.51
  5. Step 5: Solve for x
    x = 4,726,059,636.51/104,911.54
  6. Step 6: Final answer
    x = 45,048.04

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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.