Home / 90,876.33-125,399.48-50,586.93

Finding the Fourth Proportional to 90,876.33, 125,399.48 and 50,586.93

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Solution

The fourth proportional to 90,876.33, 125,399.48 and 50,586.93 is: 69,804.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,876.33 : 125,399.48 = 50,586.93 : x
  2. Step 2: Convert to fraction form
    90,876.33/125,399.48 = 50,586.93/x
  3. Step 3: Cross multiply
    90,876.33x = 125,399.48 × 50,586.93
  4. Step 4: Simplify right side
    90,876.33x = 6,343,574,463.86
  5. Step 5: Solve for x
    x = 6,343,574,463.86/90,876.33
  6. Step 6: Final answer
    x = 69,804.47

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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.