Home / 45,631.02-68,448.96-14,468.70

Finding the Fourth Proportional to 45,631.02, 68,448.96 and 14,468.70

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Solution

The fourth proportional to 45,631.02, 68,448.96 and 14,468.70 is: 21,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,631.02 : 68,448.96 = 14,468.70 : x
  2. Step 2: Convert to fraction form
    45,631.02/68,448.96 = 14,468.70/x
  3. Step 3: Cross multiply
    45,631.02x = 68,448.96 × 14,468.70
  4. Step 4: Simplify right side
    45,631.02x = 990,367,467.55
  5. Step 5: Solve for x
    x = 990,367,467.55/45,631.02
  6. Step 6: Final answer
    x = 21,703.82

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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.