Home / 45,410.08-68,063.28-19,109.92

Finding the Fourth Proportional to 45,410.08, 68,063.28 and 19,109.92

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Solution

The fourth proportional to 45,410.08, 68,063.28 and 19,109.92 is: 28,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,410.08 : 68,063.28 = 19,109.92 : x
  2. Step 2: Convert to fraction form
    45,410.08/68,063.28 = 19,109.92/x
  3. Step 3: Cross multiply
    45,410.08x = 68,063.28 × 19,109.92
  4. Step 4: Simplify right side
    45,410.08x = 1,300,683,835.74
  5. Step 5: Solve for x
    x = 1,300,683,835.74/45,410.08
  6. Step 6: Final answer
    x = 28,643.06

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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.