Home / 85,848.46-118,470.50-48,122.70

Finding the Fourth Proportional to 85,848.46, 118,470.50 and 48,122.70

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Solution

The fourth proportional to 85,848.46, 118,470.50 and 48,122.70 is: 66,409.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,848.46 : 118,470.50 = 48,122.70 : x
  2. Step 2: Convert to fraction form
    85,848.46/118,470.50 = 48,122.70/x
  3. Step 3: Cross multiply
    85,848.46x = 118,470.50 × 48,122.70
  4. Step 4: Simplify right side
    85,848.46x = 5,701,120,330.35
  5. Step 5: Solve for x
    x = 5,701,120,330.35/85,848.46
  6. Step 6: Final answer
    x = 66,409.12

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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.