Home / 69,835.03-96,374.50-39,621.62

Finding the Fourth Proportional to 69,835.03, 96,374.50 and 39,621.62

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Solution

The fourth proportional to 69,835.03, 96,374.50 and 39,621.62 is: 54,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,835.03 : 96,374.50 = 39,621.62 : x
  2. Step 2: Convert to fraction form
    69,835.03/96,374.50 = 39,621.62/x
  3. Step 3: Cross multiply
    69,835.03x = 96,374.50 × 39,621.62
  4. Step 4: Simplify right side
    69,835.03x = 3,818,513,958.57
  5. Step 5: Solve for x
    x = 3,818,513,958.57/69,835.03
  6. Step 6: Final answer
    x = 54,679.06

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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.