Home / 90,683.34-125,143.26-50,396.98

Finding the Fourth Proportional to 90,683.34, 125,143.26 and 50,396.98

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Solution

The fourth proportional to 90,683.34, 125,143.26 and 50,396.98 is: 69,547.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,683.34 : 125,143.26 = 50,396.98 : x
  2. Step 2: Convert to fraction form
    90,683.34/125,143.26 = 50,396.98/x
  3. Step 3: Cross multiply
    90,683.34x = 125,143.26 × 50,396.98
  4. Step 4: Simplify right side
    90,683.34x = 6,306,842,371.35
  5. Step 5: Solve for x
    x = 6,306,842,371.35/90,683.34
  6. Step 6: Final answer
    x = 69,547.97

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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.