Home / 100,627.86-150,943.35-25,746.36

Finding the Fourth Proportional to 100,627.86, 150,943.35 and 25,746.36

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Solution

The fourth proportional to 100,627.86, 150,943.35 and 25,746.36 is: 38,619.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,627.86 : 150,943.35 = 25,746.36 : x
  2. Step 2: Convert to fraction form
    100,627.86/150,943.35 = 25,746.36/x
  3. Step 3: Cross multiply
    100,627.86x = 150,943.35 × 25,746.36
  4. Step 4: Simplify right side
    100,627.86x = 3,886,241,828.71
  5. Step 5: Solve for x
    x = 3,886,241,828.71/100,627.86
  6. Step 6: Final answer
    x = 38,619.94

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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.