Home / 109,109.20-163,577.40-59,861.20

Finding the Fourth Proportional to 109,109.20, 163,577.40 and 59,861.20

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Solution

The fourth proportional to 109,109.20, 163,577.40 and 59,861.20 is: 89,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,109.20 : 163,577.40 = 59,861.20 : x
  2. Step 2: Convert to fraction form
    109,109.20/163,577.40 = 59,861.20/x
  3. Step 3: Cross multiply
    109,109.20x = 163,577.40 × 59,861.20
  4. Step 4: Simplify right side
    109,109.20x = 9,791,939,456.88
  5. Step 5: Solve for x
    x = 9,791,939,456.88/109,109.20
  6. Step 6: Final answer
    x = 89,744.40

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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.