Home / 70,667.35-106,016.61-39,123.40

Finding the Fourth Proportional to 70,667.35, 106,016.61 and 39,123.40

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Solution

The fourth proportional to 70,667.35, 106,016.61 and 39,123.40 is: 58,693.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,667.35 : 106,016.61 = 39,123.40 : x
  2. Step 2: Convert to fraction form
    70,667.35/106,016.61 = 39,123.40/x
  3. Step 3: Cross multiply
    70,667.35x = 106,016.61 × 39,123.40
  4. Step 4: Simplify right side
    70,667.35x = 4,147,730,239.67
  5. Step 5: Solve for x
    x = 4,147,730,239.67/70,667.35
  6. Step 6: Final answer
    x = 58,693.73

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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.