Home / 118,468.02-163,485.44-64,753

Finding the Fourth Proportional to 118,468.02, 163,485.44 and 64,753

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Solution

The fourth proportional to 118,468.02, 163,485.44 and 64,753 is: 89,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,468.02 : 163,485.44 = 64,753 : x
  2. Step 2: Convert to fraction form
    118,468.02/163,485.44 = 64,753/x
  3. Step 3: Cross multiply
    118,468.02x = 163,485.44 × 64,753
  4. Step 4: Simplify right side
    118,468.02x = 10,586,172,696.32
  5. Step 5: Solve for x
    x = 10,586,172,696.32/118,468.02
  6. Step 6: Final answer
    x = 89,358.91

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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.