Home / 124,969.42-172,457.08-67,608.56

Finding the Fourth Proportional to 124,969.42, 172,457.08 and 67,608.56

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Solution

The fourth proportional to 124,969.42, 172,457.08 and 67,608.56 is: 93,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,969.42 : 172,457.08 = 67,608.56 : x
  2. Step 2: Convert to fraction form
    124,969.42/172,457.08 = 67,608.56/x
  3. Step 3: Cross multiply
    124,969.42x = 172,457.08 × 67,608.56
  4. Step 4: Simplify right side
    124,969.42x = 11,659,574,840.60
  5. Step 5: Solve for x
    x = 11,659,574,840.60/124,969.42
  6. Step 6: Final answer
    x = 93,299.42

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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.