Home / 111,577.13-153,976.44-61,276.13

Finding the Fourth Proportional to 111,577.13, 153,976.44 and 61,276.13

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Solution

The fourth proportional to 111,577.13, 153,976.44 and 61,276.13 is: 84,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,577.13 : 153,976.44 = 61,276.13 : x
  2. Step 2: Convert to fraction form
    111,577.13/153,976.44 = 61,276.13/x
  3. Step 3: Cross multiply
    111,577.13x = 153,976.44 × 61,276.13
  4. Step 4: Simplify right side
    111,577.13x = 9,435,079,584.50
  5. Step 5: Solve for x
    x = 9,435,079,584.50/111,577.13
  6. Step 6: Final answer
    x = 84,561.06

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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.