Home / 99,267.16-136,989.24-53,945.52

Finding the Fourth Proportional to 99,267.16, 136,989.24 and 53,945.52

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Solution

The fourth proportional to 99,267.16, 136,989.24 and 53,945.52 is: 74,445.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,267.16 : 136,989.24 = 53,945.52 : x
  2. Step 2: Convert to fraction form
    99,267.16/136,989.24 = 53,945.52/x
  3. Step 3: Cross multiply
    99,267.16x = 136,989.24 × 53,945.52
  4. Step 4: Simplify right side
    99,267.16x = 7,389,955,786.20
  5. Step 5: Solve for x
    x = 7,389,955,786.20/99,267.16
  6. Step 6: Final answer
    x = 74,445.12

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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.