Home / 45,630.43-68,456.64-14,465.68

Finding the Fourth Proportional to 45,630.43, 68,456.64 and 14,465.68

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Solution

The fourth proportional to 45,630.43, 68,456.64 and 14,465.68 is: 21,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,630.43 : 68,456.64 = 14,465.68 : x
  2. Step 2: Convert to fraction form
    45,630.43/68,456.64 = 14,465.68/x
  3. Step 3: Cross multiply
    45,630.43x = 68,456.64 × 14,465.68
  4. Step 4: Simplify right side
    45,630.43x = 990,271,848.12
  5. Step 5: Solve for x
    x = 990,271,848.12/45,630.43
  6. Step 6: Final answer
    x = 21,702.01

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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.