Home / 111,516.81-153,893.33-60,529.55

Finding the Fourth Proportional to 111,516.81, 153,893.33 and 60,529.55

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Solution

The fourth proportional to 111,516.81, 153,893.33 and 60,529.55 is: 83,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,516.81 : 153,893.33 = 60,529.55 : x
  2. Step 2: Convert to fraction form
    111,516.81/153,893.33 = 60,529.55/x
  3. Step 3: Cross multiply
    111,516.81x = 153,893.33 × 60,529.55
  4. Step 4: Simplify right side
    111,516.81x = 9,315,092,940.79
  5. Step 5: Solve for x
    x = 9,315,092,940.79/111,516.81
  6. Step 6: Final answer
    x = 83,530.84

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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.