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Finding the Fourth Proportional to 76,004.40, 114,006.60 and 74,967.60

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Solution

The fourth proportional to 76,004.40, 114,006.60 and 74,967.60 is: 112,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,004.40 : 114,006.60 = 74,967.60 : x
  2. Step 2: Convert to fraction form
    76,004.40/114,006.60 = 74,967.60/x
  3. Step 3: Cross multiply
    76,004.40x = 114,006.60 × 74,967.60
  4. Step 4: Simplify right side
    76,004.40x = 8,546,801,186.16
  5. Step 5: Solve for x
    x = 8,546,801,186.16/76,004.40
  6. Step 6: Final answer
    x = 112,451.40

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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.