Home / 115,354.51-173,022.35-51,332.51

Finding the Fourth Proportional to 115,354.51, 173,022.35 and 51,332.51

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Solution

The fourth proportional to 115,354.51, 173,022.35 and 51,332.51 is: 76,994.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,354.51 : 173,022.35 = 51,332.51 : x
  2. Step 2: Convert to fraction form
    115,354.51/173,022.35 = 51,332.51/x
  3. Step 3: Cross multiply
    115,354.51x = 173,022.35 × 51,332.51
  4. Step 4: Simplify right side
    115,354.51x = 8,881,671,687.49
  5. Step 5: Solve for x
    x = 8,881,671,687.49/115,354.51
  6. Step 6: Final answer
    x = 76,994.58

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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.