Home / 40,070.12-60,106.56-13,774.64

Finding the Fourth Proportional to 40,070.12, 60,106.56 and 13,774.64

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Solution

The fourth proportional to 40,070.12, 60,106.56 and 13,774.64 is: 20,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,070.12 : 60,106.56 = 13,774.64 : x
  2. Step 2: Convert to fraction form
    40,070.12/60,106.56 = 13,774.64/x
  3. Step 3: Cross multiply
    40,070.12x = 60,106.56 × 13,774.64
  4. Step 4: Simplify right side
    40,070.12x = 827,946,225.64
  5. Step 5: Solve for x
    x = 827,946,225.64/40,070.12
  6. Step 6: Final answer
    x = 20,662.43

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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.