Home / 118,669.24-163,763.60-64,954.53

Finding the Fourth Proportional to 118,669.24, 163,763.60 and 64,954.53

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Solution

The fourth proportional to 118,669.24, 163,763.60 and 64,954.53 is: 89,637.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,669.24 : 163,763.60 = 64,954.53 : x
  2. Step 2: Convert to fraction form
    118,669.24/163,763.60 = 64,954.53/x
  3. Step 3: Cross multiply
    118,669.24x = 163,763.60 × 64,954.53
  4. Step 4: Simplify right side
    118,669.24x = 10,637,187,669.11
  5. Step 5: Solve for x
    x = 10,637,187,669.11/118,669.24
  6. Step 6: Final answer
    x = 89,637.28

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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.