Home / 111,516.61-153,893.07-60,529.35

Finding the Fourth Proportional to 111,516.61, 153,893.07 and 60,529.35

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Solution

The fourth proportional to 111,516.61, 153,893.07 and 60,529.35 is: 83,530.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,516.61 : 153,893.07 = 60,529.35 : x
  2. Step 2: Convert to fraction form
    111,516.61/153,893.07 = 60,529.35/x
  3. Step 3: Cross multiply
    111,516.61x = 153,893.07 × 60,529.35
  4. Step 4: Simplify right side
    111,516.61x = 9,315,047,683.44
  5. Step 5: Solve for x
    x = 9,315,047,683.44/111,516.61
  6. Step 6: Final answer
    x = 83,530.58

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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.