Home / 111,069.36-153,279-60,768.36

Finding the Fourth Proportional to 111,069.36, 153,279 and 60,768.36

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Solution

The fourth proportional to 111,069.36, 153,279 and 60,768.36 is: 83,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,069.36 : 153,279 = 60,768.36 : x
  2. Step 2: Convert to fraction form
    111,069.36/153,279 = 60,768.36/x
  3. Step 3: Cross multiply
    111,069.36x = 153,279 × 60,768.36
  4. Step 4: Simplify right side
    111,069.36x = 9,314,513,452.44
  5. Step 5: Solve for x
    x = 9,314,513,452.44/111,069.36
  6. Step 6: Final answer
    x = 83,862.13

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1.5x scale

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.