Home / 124,214.60-171,411-67,625.84

Finding the Fourth Proportional to 124,214.60, 171,411 and 67,625.84

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Solution

The fourth proportional to 124,214.60, 171,411 and 67,625.84 is: 93,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,214.60 : 171,411 = 67,625.84 : x
  2. Step 2: Convert to fraction form
    124,214.60/171,411 = 67,625.84/x
  3. Step 3: Cross multiply
    124,214.60x = 171,411 × 67,625.84
  4. Step 4: Simplify right side
    124,214.60x = 11,591,812,860.24
  5. Step 5: Solve for x
    x = 11,591,812,860.24/124,214.60
  6. Step 6: Final answer
    x = 93,320.86

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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.