Home / 80,360.04-110,900.34-53,459.40

Finding the Fourth Proportional to 80,360.04, 110,900.34 and 53,459.40

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Solution

The fourth proportional to 80,360.04, 110,900.34 and 53,459.40 is: 73,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,360.04 : 110,900.34 = 53,459.40 : x
  2. Step 2: Convert to fraction form
    80,360.04/110,900.34 = 53,459.40/x
  3. Step 3: Cross multiply
    80,360.04x = 110,900.34 × 53,459.40
  4. Step 4: Simplify right side
    80,360.04x = 5,928,665,636.20
  5. Step 5: Solve for x
    x = 5,928,665,636.20/80,360.04
  6. Step 6: Final answer
    x = 73,776.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.