Home / 118,455.64-163,466.35-64,741.04

Finding the Fourth Proportional to 118,455.64, 163,466.35 and 64,741.04

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Solution

The fourth proportional to 118,455.64, 163,466.35 and 64,741.04 is: 89,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,455.64 : 163,466.35 = 64,741.04 : x
  2. Step 2: Convert to fraction form
    118,455.64/163,466.35 = 64,741.04/x
  3. Step 3: Cross multiply
    118,455.64x = 163,466.35 × 64,741.04
  4. Step 4: Simplify right side
    118,455.64x = 10,582,980,524.82
  5. Step 5: Solve for x
    x = 10,582,980,524.82/118,455.64
  6. Step 6: Final answer
    x = 89,341.30

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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.