Home / 111,505.37-153,878.51-60,518.55

Finding the Fourth Proportional to 111,505.37, 153,878.51 and 60,518.55

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Solution

The fourth proportional to 111,505.37, 153,878.51 and 60,518.55 is: 83,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,505.37 : 153,878.51 = 60,518.55 : x
  2. Step 2: Convert to fraction form
    111,505.37/153,878.51 = 60,518.55/x
  3. Step 3: Cross multiply
    111,505.37x = 153,878.51 × 60,518.55
  4. Step 4: Simplify right side
    111,505.37x = 9,312,504,301.36
  5. Step 5: Solve for x
    x = 9,312,504,301.36/111,505.37
  6. Step 6: Final answer
    x = 83,516.20

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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.