Home / 124,100.07-171,259.43-67,511.58

Finding the Fourth Proportional to 124,100.07, 171,259.43 and 67,511.58

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Solution

The fourth proportional to 124,100.07, 171,259.43 and 67,511.58 is: 93,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,100.07 : 171,259.43 = 67,511.58 : x
  2. Step 2: Convert to fraction form
    124,100.07/171,259.43 = 67,511.58/x
  3. Step 3: Cross multiply
    124,100.07x = 171,259.43 × 67,511.58
  4. Step 4: Simplify right side
    124,100.07x = 11,561,994,371.64
  5. Step 5: Solve for x
    x = 11,561,994,371.64/124,100.07
  6. Step 6: Final answer
    x = 93,166.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.