Home / 115,263.06-172,894.58-31,023.39

Finding the Fourth Proportional to 115,263.06, 172,894.58 and 31,023.39

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Solution

The fourth proportional to 115,263.06, 172,894.58 and 31,023.39 is: 46,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,263.06 : 172,894.58 = 31,023.39 : x
  2. Step 2: Convert to fraction form
    115,263.06/172,894.58 = 31,023.39/x
  3. Step 3: Cross multiply
    115,263.06x = 172,894.58 × 31,023.39
  4. Step 4: Simplify right side
    115,263.06x = 5,363,775,984.23
  5. Step 5: Solve for x
    x = 5,363,775,984.23/115,263.06
  6. Step 6: Final answer
    x = 46,535.08

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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.