Home / 118,565.02-163,612.87-64,850.48

Finding the Fourth Proportional to 118,565.02, 163,612.87 and 64,850.48

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Solution

The fourth proportional to 118,565.02, 163,612.87 and 64,850.48 is: 89,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,565.02 : 163,612.87 = 64,850.48 : x
  2. Step 2: Convert to fraction form
    118,565.02/163,612.87 = 64,850.48/x
  3. Step 3: Cross multiply
    118,565.02x = 163,612.87 × 64,850.48
  4. Step 4: Simplify right side
    118,565.02x = 10,610,373,153.68
  5. Step 5: Solve for x
    x = 10,610,373,153.68/118,565.02
  6. Step 6: Final answer
    x = 89,489.91

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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.