Home / 78,416.84-117,627.18-23,014.60

Finding the Fourth Proportional to 78,416.84, 117,627.18 and 23,014.60

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Solution

The fourth proportional to 78,416.84, 117,627.18 and 23,014.60 is: 34,522.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,416.84 : 117,627.18 = 23,014.60 : x
  2. Step 2: Convert to fraction form
    78,416.84/117,627.18 = 23,014.60/x
  3. Step 3: Cross multiply
    78,416.84x = 117,627.18 × 23,014.60
  4. Step 4: Simplify right side
    78,416.84x = 2,707,142,496.83
  5. Step 5: Solve for x
    x = 2,707,142,496.83/78,416.84
  6. Step 6: Final answer
    x = 34,522.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.