Home / 125,056.84-172,571.54-68,457.24

Finding the Fourth Proportional to 125,056.84, 172,571.54 and 68,457.24

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Solution

The fourth proportional to 125,056.84, 172,571.54 and 68,457.24 is: 94,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,056.84 : 172,571.54 = 68,457.24 : x
  2. Step 2: Convert to fraction form
    125,056.84/172,571.54 = 68,457.24/x
  3. Step 3: Cross multiply
    125,056.84x = 172,571.54 × 68,457.24
  4. Step 4: Simplify right side
    125,056.84x = 11,813,771,330.95
  5. Step 5: Solve for x
    x = 11,813,771,330.95/125,056.84
  6. Step 6: Final answer
    x = 94,467.21

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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.