Home / 48,145.18-72,219.25-13,085.58

Finding the Fourth Proportional to 48,145.18, 72,219.25 and 13,085.58

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Solution

The fourth proportional to 48,145.18, 72,219.25 and 13,085.58 is: 19,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,145.18 : 72,219.25 = 13,085.58 : x
  2. Step 2: Convert to fraction form
    48,145.18/72,219.25 = 13,085.58/x
  3. Step 3: Cross multiply
    48,145.18x = 72,219.25 × 13,085.58
  4. Step 4: Simplify right side
    48,145.18x = 945,030,773.42
  5. Step 5: Solve for x
    x = 945,030,773.42/48,145.18
  6. Step 6: Final answer
    x = 19,628.77

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1.5x scale

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.