Home / 70,207.81-96,875.45-39,993.72

Finding the Fourth Proportional to 70,207.81, 96,875.45 and 39,993.72

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Solution

The fourth proportional to 70,207.81, 96,875.45 and 39,993.72 is: 55,184.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,207.81 : 96,875.45 = 39,993.72 : x
  2. Step 2: Convert to fraction form
    70,207.81/96,875.45 = 39,993.72/x
  3. Step 3: Cross multiply
    70,207.81x = 96,875.45 × 39,993.72
  4. Step 4: Simplify right side
    70,207.81x = 3,874,408,937.83
  5. Step 5: Solve for x
    x = 3,874,408,937.83/70,207.81
  6. Step 6: Final answer
    x = 55,184.87

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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.