Home / 111,933.64-154,468.02-61,632.52

Finding the Fourth Proportional to 111,933.64, 154,468.02 and 61,632.52

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Solution

The fourth proportional to 111,933.64, 154,468.02 and 61,632.52 is: 85,052.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,933.64 : 154,468.02 = 61,632.52 : x
  2. Step 2: Convert to fraction form
    111,933.64/154,468.02 = 61,632.52/x
  3. Step 3: Cross multiply
    111,933.64x = 154,468.02 × 61,632.52
  4. Step 4: Simplify right side
    111,933.64x = 9,520,253,332.01
  5. Step 5: Solve for x
    x = 9,520,253,332.01/111,933.64
  6. Step 6: Final answer
    x = 85,052.66

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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.