Home / 43,667.40-65,501.10-12,077.40

Finding the Fourth Proportional to 43,667.40, 65,501.10 and 12,077.40

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Solution

The fourth proportional to 43,667.40, 65,501.10 and 12,077.40 is: 18,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,667.40 : 65,501.10 = 12,077.40 : x
  2. Step 2: Convert to fraction form
    43,667.40/65,501.10 = 12,077.40/x
  3. Step 3: Cross multiply
    43,667.40x = 65,501.10 × 12,077.40
  4. Step 4: Simplify right side
    43,667.40x = 791,082,985.14
  5. Step 5: Solve for x
    x = 791,082,985.14/43,667.40
  6. Step 6: Final answer
    x = 18,116.10

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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.