Home / 45,802.40-68,706.93-14,208.45

Finding the Fourth Proportional to 45,802.40, 68,706.93 and 14,208.45

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Solution

The fourth proportional to 45,802.40, 68,706.93 and 14,208.45 is: 21,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,802.40 : 68,706.93 = 14,208.45 : x
  2. Step 2: Convert to fraction form
    45,802.40/68,706.93 = 14,208.45/x
  3. Step 3: Cross multiply
    45,802.40x = 68,706.93 × 14,208.45
  4. Step 4: Simplify right side
    45,802.40x = 976,218,979.56
  5. Step 5: Solve for x
    x = 976,218,979.56/45,802.40
  6. Step 6: Final answer
    x = 21,313.71

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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.