Home / 56,667.04-78,194.96-31,515.04

Finding the Fourth Proportional to 56,667.04, 78,194.96 and 31,515.04

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Solution

The fourth proportional to 56,667.04, 78,194.96 and 31,515.04 is: 43,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,667.04 : 78,194.96 = 31,515.04 : x
  2. Step 2: Convert to fraction form
    56,667.04/78,194.96 = 31,515.04/x
  3. Step 3: Cross multiply
    56,667.04x = 78,194.96 × 31,515.04
  4. Step 4: Simplify right side
    56,667.04x = 2,464,317,292.20
  5. Step 5: Solve for x
    x = 2,464,317,292.20/56,667.04
  6. Step 6: Final answer
    x = 43,487.67

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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.