Home / 70,913.79-97,861.55-39,083.76

Finding the Fourth Proportional to 70,913.79, 97,861.55 and 39,083.76

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Solution

The fourth proportional to 70,913.79, 97,861.55 and 39,083.76 is: 53,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,913.79 : 97,861.55 = 39,083.76 : x
  2. Step 2: Convert to fraction form
    70,913.79/97,861.55 = 39,083.76/x
  3. Step 3: Cross multiply
    70,913.79x = 97,861.55 × 39,083.76
  4. Step 4: Simplify right side
    70,913.79x = 3,824,797,333.43
  5. Step 5: Solve for x
    x = 3,824,797,333.43/70,913.79
  6. Step 6: Final answer
    x = 53,935.88

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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.