Home / 111,277.48-153,561.27-60,288.79

Finding the Fourth Proportional to 111,277.48, 153,561.27 and 60,288.79

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Solution

The fourth proportional to 111,277.48, 153,561.27 and 60,288.79 is: 83,197.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,277.48 : 153,561.27 = 60,288.79 : x
  2. Step 2: Convert to fraction form
    111,277.48/153,561.27 = 60,288.79/x
  3. Step 3: Cross multiply
    111,277.48x = 153,561.27 × 60,288.79
  4. Step 4: Simplify right side
    111,277.48x = 9,258,023,159.16
  5. Step 5: Solve for x
    x = 9,258,023,159.16/111,277.48
  6. Step 6: Final answer
    x = 83,197.63

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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.