Home / 124,511-171,825.18-67,922.60

Finding the Fourth Proportional to 124,511, 171,825.18 and 67,922.60

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Solution

The fourth proportional to 124,511, 171,825.18 and 67,922.60 is: 93,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,511 : 171,825.18 = 67,922.60 : x
  2. Step 2: Convert to fraction form
    124,511/171,825.18 = 67,922.60/x
  3. Step 3: Cross multiply
    124,511x = 171,825.18 × 67,922.60
  4. Step 4: Simplify right side
    124,511x = 11,670,812,971.07
  5. Step 5: Solve for x
    x = 11,670,812,971.07/124,511
  6. Step 6: Final answer
    x = 93,733.19

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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.