Home / 52,928.49-73,038.64-31,419.16

Finding the Fourth Proportional to 52,928.49, 73,038.64 and 31,419.16

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Solution

The fourth proportional to 52,928.49, 73,038.64 and 31,419.16 is: 43,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,928.49 : 73,038.64 = 31,419.16 : x
  2. Step 2: Convert to fraction form
    52,928.49/73,038.64 = 31,419.16/x
  3. Step 3: Cross multiply
    52,928.49x = 73,038.64 × 31,419.16
  4. Step 4: Simplify right side
    52,928.49x = 2,294,812,709.97
  5. Step 5: Solve for x
    x = 2,294,812,709.97/52,928.49
  6. Step 6: Final answer
    x = 43,356.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.