Home / 70,890.46-97,826.52-40,675.30

Finding the Fourth Proportional to 70,890.46, 97,826.52 and 40,675.30

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Solution

The fourth proportional to 70,890.46, 97,826.52 and 40,675.30 is: 56,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,890.46 : 97,826.52 = 40,675.30 : x
  2. Step 2: Convert to fraction form
    70,890.46/97,826.52 = 40,675.30/x
  3. Step 3: Cross multiply
    70,890.46x = 97,826.52 × 40,675.30
  4. Step 4: Simplify right side
    70,890.46x = 3,979,123,048.96
  5. Step 5: Solve for x
    x = 3,979,123,048.96/70,890.46
  6. Step 6: Final answer
    x = 56,130.59

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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.