Home / 54,318.29-81,477.50-14,875.74

Finding the Fourth Proportional to 54,318.29, 81,477.50 and 14,875.74

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Solution

The fourth proportional to 54,318.29, 81,477.50 and 14,875.74 is: 22,313.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,318.29 : 81,477.50 = 14,875.74 : x
  2. Step 2: Convert to fraction form
    54,318.29/81,477.50 = 14,875.74/x
  3. Step 3: Cross multiply
    54,318.29x = 81,477.50 × 14,875.74
  4. Step 4: Simplify right side
    54,318.29x = 1,212,038,031.47
  5. Step 5: Solve for x
    x = 1,212,038,031.47/54,318.29
  6. Step 6: Final answer
    x = 22,313.63

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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.