Home / 45,399.84-68,088.69-14,235.09

Finding the Fourth Proportional to 45,399.84, 68,088.69 and 14,235.09

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Solution

The fourth proportional to 45,399.84, 68,088.69 and 14,235.09 is: 21,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,399.84 : 68,088.69 = 14,235.09 : x
  2. Step 2: Convert to fraction form
    45,399.84/68,088.69 = 14,235.09/x
  3. Step 3: Cross multiply
    45,399.84x = 68,088.69 × 14,235.09
  4. Step 4: Simplify right side
    45,399.84x = 969,248,630.13
  5. Step 5: Solve for x
    x = 969,248,630.13/45,399.84
  6. Step 6: Final answer
    x = 21,349.16

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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.