Home / 118,558.17-163,607.97-64,843.02

Finding the Fourth Proportional to 118,558.17, 163,607.97 and 64,843.02

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Solution

The fourth proportional to 118,558.17, 163,607.97 and 64,843.02 is: 89,482.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,558.17 : 163,607.97 = 64,843.02 : x
  2. Step 2: Convert to fraction form
    118,558.17/163,607.97 = 64,843.02/x
  3. Step 3: Cross multiply
    118,558.17x = 163,607.97 × 64,843.02
  4. Step 4: Simplify right side
    118,558.17x = 10,608,834,870.87
  5. Step 5: Solve for x
    x = 10,608,834,870.87/118,558.17
  6. Step 6: Final answer
    x = 89,482.11

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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.