Home / 124,457.50-171,751.35-67,869.28

Finding the Fourth Proportional to 124,457.50, 171,751.35 and 67,869.28

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Solution

The fourth proportional to 124,457.50, 171,751.35 and 67,869.28 is: 93,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,457.50 : 171,751.35 = 67,869.28 : x
  2. Step 2: Convert to fraction form
    124,457.50/171,751.35 = 67,869.28/x
  3. Step 3: Cross multiply
    124,457.50x = 171,751.35 × 67,869.28
  4. Step 4: Simplify right side
    124,457.50x = 11,656,640,463.53
  5. Step 5: Solve for x
    x = 11,656,640,463.53/124,457.50
  6. Step 6: Final answer
    x = 93,659.61

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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.