Home / 70,741.77-97,623.68-42,447.48

Finding the Fourth Proportional to 70,741.77, 97,623.68 and 42,447.48

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Solution

The fourth proportional to 70,741.77, 97,623.68 and 42,447.48 is: 58,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,741.77 : 97,623.68 = 42,447.48 : x
  2. Step 2: Convert to fraction form
    70,741.77/97,623.68 = 42,447.48/x
  3. Step 3: Cross multiply
    70,741.77x = 97,623.68 × 42,447.48
  4. Step 4: Simplify right side
    70,741.77x = 4,143,878,992.09
  5. Step 5: Solve for x
    x = 4,143,878,992.09/70,741.77
  6. Step 6: Final answer
    x = 58,577.54

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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.