Home / 116,828.20-175,127.10-57,615.40

Finding the Fourth Proportional to 116,828.20, 175,127.10 and 57,615.40

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Solution

The fourth proportional to 116,828.20, 175,127.10 and 57,615.40 is: 86,366.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,828.20 : 175,127.10 = 57,615.40 : x
  2. Step 2: Convert to fraction form
    116,828.20/175,127.10 = 57,615.40/x
  3. Step 3: Cross multiply
    116,828.20x = 175,127.10 × 57,615.40
  4. Step 4: Simplify right side
    116,828.20x = 10,090,017,917.34
  5. Step 5: Solve for x
    x = 10,090,017,917.34/116,828.20
  6. Step 6: Final answer
    x = 86,366.29

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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.