Home / 86,211.60-118,954.18-50,394.68

Finding the Fourth Proportional to 86,211.60, 118,954.18 and 50,394.68

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Solution

The fourth proportional to 86,211.60, 118,954.18 and 50,394.68 is: 69,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,211.60 : 118,954.18 = 50,394.68 : x
  2. Step 2: Convert to fraction form
    86,211.60/118,954.18 = 50,394.68/x
  3. Step 3: Cross multiply
    86,211.60x = 118,954.18 × 50,394.68
  4. Step 4: Simplify right side
    86,211.60x = 5,994,657,835.76
  5. Step 5: Solve for x
    x = 5,994,657,835.76/86,211.60
  6. Step 6: Final answer
    x = 69,534.24

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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.