Home / 45,449.04-68,127.48-28,803.92

Finding the Fourth Proportional to 45,449.04, 68,127.48 and 28,803.92

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Solution

The fourth proportional to 45,449.04, 68,127.48 and 28,803.92 is: 43,176.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,449.04 : 68,127.48 = 28,803.92 : x
  2. Step 2: Convert to fraction form
    45,449.04/68,127.48 = 28,803.92/x
  3. Step 3: Cross multiply
    45,449.04x = 68,127.48 × 28,803.92
  4. Step 4: Simplify right side
    45,449.04x = 1,962,338,483.72
  5. Step 5: Solve for x
    x = 1,962,338,483.72/45,449.04
  6. Step 6: Final answer
    x = 43,176.68

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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.