Home / 85,848.21-118,470.15-48,122.46

Finding the Fourth Proportional to 85,848.21, 118,470.15 and 48,122.46

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Solution

The fourth proportional to 85,848.21, 118,470.15 and 48,122.46 is: 66,408.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,848.21 : 118,470.15 = 48,122.46 : x
  2. Step 2: Convert to fraction form
    85,848.21/118,470.15 = 48,122.46/x
  3. Step 3: Cross multiply
    85,848.21x = 118,470.15 × 48,122.46
  4. Step 4: Simplify right side
    85,848.21x = 5,701,075,054.57
  5. Step 5: Solve for x
    x = 5,701,075,054.57/85,848.21
  6. Step 6: Final answer
    x = 66,408.78

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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.