Home / 127,083.71-175,396.55-70,513.31

Finding the Fourth Proportional to 127,083.71, 175,396.55 and 70,513.31

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Solution

The fourth proportional to 127,083.71, 175,396.55 and 70,513.31 is: 97,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,083.71 : 175,396.55 = 70,513.31 : x
  2. Step 2: Convert to fraction form
    127,083.71/175,396.55 = 70,513.31/x
  3. Step 3: Cross multiply
    127,083.71x = 175,396.55 × 70,513.31
  4. Step 4: Simplify right side
    127,083.71x = 12,367,790,950.51
  5. Step 5: Solve for x
    x = 12,367,790,950.51/127,083.71
  6. Step 6: Final answer
    x = 97,320.03

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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.