Home / 111,071.40-153,282.60-63,324.24

Finding the Fourth Proportional to 111,071.40, 153,282.60 and 63,324.24

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Solution

The fourth proportional to 111,071.40, 153,282.60 and 63,324.24 is: 87,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,071.40 : 153,282.60 = 63,324.24 : x
  2. Step 2: Convert to fraction form
    111,071.40/153,282.60 = 63,324.24/x
  3. Step 3: Cross multiply
    111,071.40x = 153,282.60 × 63,324.24
  4. Step 4: Simplify right side
    111,071.40x = 9,706,504,150.22
  5. Step 5: Solve for x
    x = 9,706,504,150.22/111,071.40
  6. Step 6: Final answer
    x = 87,389.77

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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.