Home / 123,883.48-170,946.66-70,157.80

Finding the Fourth Proportional to 123,883.48, 170,946.66 and 70,157.80

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Solution

The fourth proportional to 123,883.48, 170,946.66 and 70,157.80 is: 96,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,883.48 : 170,946.66 = 70,157.80 : x
  2. Step 2: Convert to fraction form
    123,883.48/170,946.66 = 70,157.80/x
  3. Step 3: Cross multiply
    123,883.48x = 170,946.66 × 70,157.80
  4. Step 4: Simplify right side
    123,883.48x = 11,993,241,582.95
  5. Step 5: Solve for x
    x = 11,993,241,582.95/123,883.48
  6. Step 6: Final answer
    x = 96,810.66

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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.