Home / 70,667.43-97,520.59-38,401.89

Finding the Fourth Proportional to 70,667.43, 97,520.59 and 38,401.89

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Solution

The fourth proportional to 70,667.43, 97,520.59 and 38,401.89 is: 52,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,667.43 : 97,520.59 = 38,401.89 : x
  2. Step 2: Convert to fraction form
    70,667.43/97,520.59 = 38,401.89/x
  3. Step 3: Cross multiply
    70,667.43x = 97,520.59 × 38,401.89
  4. Step 4: Simplify right side
    70,667.43x = 3,744,974,969.92
  5. Step 5: Solve for x
    x = 3,744,974,969.92/70,667.43
  6. Step 6: Final answer
    x = 52,994.36

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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.