Home / 109,015.20-163,627.20-56,462.40

Finding the Fourth Proportional to 109,015.20, 163,627.20 and 56,462.40

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Solution

The fourth proportional to 109,015.20, 163,627.20 and 56,462.40 is: 84,747.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,015.20 : 163,627.20 = 56,462.40 : x
  2. Step 2: Convert to fraction form
    109,015.20/163,627.20 = 56,462.40/x
  3. Step 3: Cross multiply
    109,015.20x = 163,627.20 × 56,462.40
  4. Step 4: Simplify right side
    109,015.20x = 9,238,784,417.28
  5. Step 5: Solve for x
    x = 9,238,784,417.28/109,015.20
  6. Step 6: Final answer
    x = 84,747.67

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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.