Home / 123,837.01-170,895.73-70,132.48

Finding the Fourth Proportional to 123,837.01, 170,895.73 and 70,132.48

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Solution

The fourth proportional to 123,837.01, 170,895.73 and 70,132.48 is: 96,783.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,837.01 : 170,895.73 = 70,132.48 : x
  2. Step 2: Convert to fraction form
    123,837.01/170,895.73 = 70,132.48/x
  3. Step 3: Cross multiply
    123,837.01x = 170,895.73 × 70,132.48
  4. Step 4: Simplify right side
    123,837.01x = 11,985,340,763.74
  5. Step 5: Solve for x
    x = 11,985,340,763.74/123,837.01
  6. Step 6: Final answer
    x = 96,783.19

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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.