Home / 111,265.24-153,552.18-63,533.92

Finding the Fourth Proportional to 111,265.24, 153,552.18 and 63,533.92

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Solution

The fourth proportional to 111,265.24, 153,552.18 and 63,533.92 is: 87,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,265.24 : 153,552.18 = 63,533.92 : x
  2. Step 2: Convert to fraction form
    111,265.24/153,552.18 = 63,533.92/x
  3. Step 3: Cross multiply
    111,265.24x = 153,552.18 × 63,533.92
  4. Step 4: Simplify right side
    111,265.24x = 9,755,771,919.95
  5. Step 5: Solve for x
    x = 9,755,771,919.95/111,265.24
  6. Step 6: Final answer
    x = 87,680.32

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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.