Home / 70,823.23-97,736.43-38,992.15

Finding the Fourth Proportional to 70,823.23, 97,736.43 and 38,992.15

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Solution

The fourth proportional to 70,823.23, 97,736.43 and 38,992.15 is: 53,809.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,823.23 : 97,736.43 = 38,992.15 : x
  2. Step 2: Convert to fraction form
    70,823.23/97,736.43 = 38,992.15/x
  3. Step 3: Cross multiply
    70,823.23x = 97,736.43 × 38,992.15
  4. Step 4: Simplify right side
    70,823.23x = 3,810,953,539.02
  5. Step 5: Solve for x
    x = 3,810,953,539.02/70,823.23
  6. Step 6: Final answer
    x = 53,809.37

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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.