Home / 109,416.08-164,132.59-41,980.40

Finding the Fourth Proportional to 109,416.08, 164,132.59 and 41,980.40

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Solution

The fourth proportional to 109,416.08, 164,132.59 and 41,980.40 is: 62,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,416.08 : 164,132.59 = 41,980.40 : x
  2. Step 2: Convert to fraction form
    109,416.08/164,132.59 = 41,980.40/x
  3. Step 3: Cross multiply
    109,416.08x = 164,132.59 × 41,980.40
  4. Step 4: Simplify right side
    109,416.08x = 6,890,351,781.24
  5. Step 5: Solve for x
    x = 6,890,351,781.24/109,416.08
  6. Step 6: Final answer
    x = 62,973.85

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1.5x scale

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.