Home / 45,783.79-68,686.32-14,192.17

Finding the Fourth Proportional to 45,783.79, 68,686.32 and 14,192.17

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Solution

The fourth proportional to 45,783.79, 68,686.32 and 14,192.17 is: 21,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,783.79 : 68,686.32 = 14,192.17 : x
  2. Step 2: Convert to fraction form
    45,783.79/68,686.32 = 14,192.17/x
  3. Step 3: Cross multiply
    45,783.79x = 68,686.32 × 14,192.17
  4. Step 4: Simplify right side
    45,783.79x = 974,807,930.11
  5. Step 5: Solve for x
    x = 974,807,930.11/45,783.79
  6. Step 6: Final answer
    x = 21,291.55

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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.