Home / 90,377.27-124,718.70-50,090.67

Finding the Fourth Proportional to 90,377.27, 124,718.70 and 50,090.67

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Solution

The fourth proportional to 90,377.27, 124,718.70 and 50,090.67 is: 69,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,377.27 : 124,718.70 = 50,090.67 : x
  2. Step 2: Convert to fraction form
    90,377.27/124,718.70 = 50,090.67/x
  3. Step 3: Cross multiply
    90,377.27x = 124,718.70 × 50,090.67
  4. Step 4: Simplify right side
    90,377.27x = 6,247,243,432.37
  5. Step 5: Solve for x
    x = 6,247,243,432.37/90,377.27
  6. Step 6: Final answer
    x = 69,124.06

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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.