Home / 45,703.50-68,561.75-14,116.17

Finding the Fourth Proportional to 45,703.50, 68,561.75 and 14,116.17

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Solution

The fourth proportional to 45,703.50, 68,561.75 and 14,116.17 is: 21,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,703.50 : 68,561.75 = 14,116.17 : x
  2. Step 2: Convert to fraction form
    45,703.50/68,561.75 = 14,116.17/x
  3. Step 3: Cross multiply
    45,703.50x = 68,561.75 × 14,116.17
  4. Step 4: Simplify right side
    45,703.50x = 967,829,318.50
  5. Step 5: Solve for x
    x = 967,829,318.50/45,703.50
  6. Step 6: Final answer
    x = 21,176.26

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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.