Home / 127,522.49-175,701.97-84,428.87

Finding the Fourth Proportional to 127,522.49, 175,701.97 and 84,428.87

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Solution

The fourth proportional to 127,522.49, 175,701.97 and 84,428.87 is: 116,327.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,522.49 : 175,701.97 = 84,428.87 : x
  2. Step 2: Convert to fraction form
    127,522.49/175,701.97 = 84,428.87/x
  3. Step 3: Cross multiply
    127,522.49x = 175,701.97 × 84,428.87
  4. Step 4: Simplify right side
    127,522.49x = 14,834,318,783.87
  5. Step 5: Solve for x
    x = 14,834,318,783.87/127,522.49
  6. Step 6: Final answer
    x = 116,327.08

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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.