Home / 70,784.10-97,682.75-38,953.73

Finding the Fourth Proportional to 70,784.10, 97,682.75 and 38,953.73

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Solution

The fourth proportional to 70,784.10, 97,682.75 and 38,953.73 is: 53,756.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,784.10 : 97,682.75 = 38,953.73 : x
  2. Step 2: Convert to fraction form
    70,784.10/97,682.75 = 38,953.73/x
  3. Step 3: Cross multiply
    70,784.10x = 97,682.75 × 38,953.73
  4. Step 4: Simplify right side
    70,784.10x = 3,805,106,785.98
  5. Step 5: Solve for x
    x = 3,805,106,785.98/70,784.10
  6. Step 6: Final answer
    x = 53,756.52

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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.