Home / 45,955.49-68,931-14,365.28

Finding the Fourth Proportional to 45,955.49, 68,931 and 14,365.28

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Solution

The fourth proportional to 45,955.49, 68,931 and 14,365.28 is: 21,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,955.49 : 68,931 = 14,365.28 : x
  2. Step 2: Convert to fraction form
    45,955.49/68,931 = 14,365.28/x
  3. Step 3: Cross multiply
    45,955.49x = 68,931 × 14,365.28
  4. Step 4: Simplify right side
    45,955.49x = 990,213,288.01
  5. Step 5: Solve for x
    x = 990,213,288.01/45,955.49
  6. Step 6: Final answer
    x = 21,547.23

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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.