Home / 82,400.34-113,713.35-48,410.25

Finding the Fourth Proportional to 82,400.34, 113,713.35 and 48,410.25

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Solution

The fourth proportional to 82,400.34, 113,713.35 and 48,410.25 is: 66,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,400.34 : 113,713.35 = 48,410.25 : x
  2. Step 2: Convert to fraction form
    82,400.34/113,713.35 = 48,410.25/x
  3. Step 3: Cross multiply
    82,400.34x = 113,713.35 × 48,410.25
  4. Step 4: Simplify right side
    82,400.34x = 5,504,891,701.84
  5. Step 5: Solve for x
    x = 5,504,891,701.84/82,400.34
  6. Step 6: Final answer
    x = 66,806.66

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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.