Home / 70,427.34-97,199.04-40,205.83

Finding the Fourth Proportional to 70,427.34, 97,199.04 and 40,205.83

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Solution

The fourth proportional to 70,427.34, 97,199.04 and 40,205.83 is: 55,489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,427.34 : 97,199.04 = 40,205.83 : x
  2. Step 2: Convert to fraction form
    70,427.34/97,199.04 = 40,205.83/x
  3. Step 3: Cross multiply
    70,427.34x = 97,199.04 × 40,205.83
  4. Step 4: Simplify right side
    70,427.34x = 3,907,968,078.40
  5. Step 5: Solve for x
    x = 3,907,968,078.40/70,427.34
  6. Step 6: Final answer
    x = 55,489.36

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1.5x scale

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.