Home / 90,927.81-125,484.26-50,641.56

Finding the Fourth Proportional to 90,927.81, 125,484.26 and 50,641.56

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Solution

The fourth proportional to 90,927.81, 125,484.26 and 50,641.56 is: 69,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,927.81 : 125,484.26 = 50,641.56 : x
  2. Step 2: Convert to fraction form
    90,927.81/125,484.26 = 50,641.56/x
  3. Step 3: Cross multiply
    90,927.81x = 125,484.26 × 50,641.56
  4. Step 4: Simplify right side
    90,927.81x = 6,354,718,681.85
  5. Step 5: Solve for x
    x = 6,354,718,681.85/90,927.81
  6. Step 6: Final answer
    x = 69,887.51

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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.