Home / 111,466.48-153,895.80-69,070

Finding the Fourth Proportional to 111,466.48, 153,895.80 and 69,070

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Solution

The fourth proportional to 111,466.48, 153,895.80 and 69,070 is: 95,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,466.48 : 153,895.80 = 69,070 : x
  2. Step 2: Convert to fraction form
    111,466.48/153,895.80 = 69,070/x
  3. Step 3: Cross multiply
    111,466.48x = 153,895.80 × 69,070
  4. Step 4: Simplify right side
    111,466.48x = 10,629,582,906
  5. Step 5: Solve for x
    x = 10,629,582,906/111,466.48
  6. Step 6: Final answer
    x = 95,361.25

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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.