Home / 113,323.49-169,908.55-63,438.02

Finding the Fourth Proportional to 113,323.49, 169,908.55 and 63,438.02

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Solution

The fourth proportional to 113,323.49, 169,908.55 and 63,438.02 is: 95,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,323.49 : 169,908.55 = 63,438.02 : x
  2. Step 2: Convert to fraction form
    113,323.49/169,908.55 = 63,438.02/x
  3. Step 3: Cross multiply
    113,323.49x = 169,908.55 × 63,438.02
  4. Step 4: Simplify right side
    113,323.49x = 10,778,661,993.07
  5. Step 5: Solve for x
    x = 10,778,661,993.07/113,323.49
  6. Step 6: Final answer
    x = 95,114.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.