Home / 111,485.10-153,848.66-60,496.54

Finding the Fourth Proportional to 111,485.10, 153,848.66 and 60,496.54

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Solution

The fourth proportional to 111,485.10, 153,848.66 and 60,496.54 is: 83,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,485.10 : 153,848.66 = 60,496.54 : x
  2. Step 2: Convert to fraction form
    111,485.10/153,848.66 = 60,496.54/x
  3. Step 3: Cross multiply
    111,485.10x = 153,848.66 × 60,496.54
  4. Step 4: Simplify right side
    111,485.10x = 9,307,311,613.64
  5. Step 5: Solve for x
    x = 9,307,311,613.64/111,485.10
  6. Step 6: Final answer
    x = 83,484.80

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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.