Home / 114,748.40-158,429.03-71,792.61

Finding the Fourth Proportional to 114,748.40, 158,429.03 and 71,792.61

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Solution

The fourth proportional to 114,748.40, 158,429.03 and 71,792.61 is: 99,121.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,748.40 : 158,429.03 = 71,792.61 : x
  2. Step 2: Convert to fraction form
    114,748.40/158,429.03 = 71,792.61/x
  3. Step 3: Cross multiply
    114,748.40x = 158,429.03 × 71,792.61
  4. Step 4: Simplify right side
    114,748.40x = 11,374,033,204.51
  5. Step 5: Solve for x
    x = 11,374,033,204.51/114,748.40
  6. Step 6: Final answer
    x = 99,121.50

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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.