Home / 115,478.04-159,324.87-67,070.63

Finding the Fourth Proportional to 115,478.04, 159,324.87 and 67,070.63

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Solution

The fourth proportional to 115,478.04, 159,324.87 and 67,070.63 is: 92,537.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,478.04 : 159,324.87 = 67,070.63 : x
  2. Step 2: Convert to fraction form
    115,478.04/159,324.87 = 67,070.63/x
  3. Step 3: Cross multiply
    115,478.04x = 159,324.87 × 67,070.63
  4. Step 4: Simplify right side
    115,478.04x = 10,686,018,608.94
  5. Step 5: Solve for x
    x = 10,686,018,608.94/115,478.04
  6. Step 6: Final answer
    x = 92,537.24

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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.