Home / 99,148.92-136,821.42-53,825.16

Finding the Fourth Proportional to 99,148.92, 136,821.42 and 53,825.16

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Solution

The fourth proportional to 99,148.92, 136,821.42 and 53,825.16 is: 74,276.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,148.92 : 136,821.42 = 53,825.16 : x
  2. Step 2: Convert to fraction form
    99,148.92/136,821.42 = 53,825.16/x
  3. Step 3: Cross multiply
    99,148.92x = 136,821.42 × 53,825.16
  4. Step 4: Simplify right side
    99,148.92x = 7,364,434,822.93
  5. Step 5: Solve for x
    x = 7,364,434,822.93/99,148.92
  6. Step 6: Final answer
    x = 74,276.50

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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.