Home / 70,730.85-106,030.36-48,554.67

Finding the Fourth Proportional to 70,730.85, 106,030.36 and 48,554.67

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Solution

The fourth proportional to 70,730.85, 106,030.36 and 48,554.67 is: 72,786.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,730.85 : 106,030.36 = 48,554.67 : x
  2. Step 2: Convert to fraction form
    70,730.85/106,030.36 = 48,554.67/x
  3. Step 3: Cross multiply
    70,730.85x = 106,030.36 × 48,554.67
  4. Step 4: Simplify right side
    70,730.85x = 5,148,268,897.01
  5. Step 5: Solve for x
    x = 5,148,268,897.01/70,730.85
  6. Step 6: Final answer
    x = 72,786.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.