Home / 109,212.71-163,847.21-59,279.85

Finding the Fourth Proportional to 109,212.71, 163,847.21 and 59,279.85

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Solution

The fourth proportional to 109,212.71, 163,847.21 and 59,279.85 is: 88,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,212.71 : 163,847.21 = 59,279.85 : x
  2. Step 2: Convert to fraction form
    109,212.71/163,847.21 = 59,279.85/x
  3. Step 3: Cross multiply
    109,212.71x = 163,847.21 × 59,279.85
  4. Step 4: Simplify right side
    109,212.71x = 9,712,837,735.32
  5. Step 5: Solve for x
    x = 9,712,837,735.32/109,212.71
  6. Step 6: Final answer
    x = 88,935.05

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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.