Home / 98,965.64-148,464.30-32,390.12

Finding the Fourth Proportional to 98,965.64, 148,464.30 and 32,390.12

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Solution

The fourth proportional to 98,965.64, 148,464.30 and 32,390.12 is: 48,590.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,965.64 : 148,464.30 = 32,390.12 : x
  2. Step 2: Convert to fraction form
    98,965.64/148,464.30 = 32,390.12/x
  3. Step 3: Cross multiply
    98,965.64x = 148,464.30 × 32,390.12
  4. Step 4: Simplify right side
    98,965.64x = 4,808,776,492.72
  5. Step 5: Solve for x
    x = 4,808,776,492.72/98,965.64
  6. Step 6: Final answer
    x = 48,590.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.