Home / 90,953.28-125,496.48-52,710.56

Finding the Fourth Proportional to 90,953.28, 125,496.48 and 52,710.56

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Solution

The fourth proportional to 90,953.28, 125,496.48 and 52,710.56 is: 72,729.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,953.28 : 125,496.48 = 52,710.56 : x
  2. Step 2: Convert to fraction form
    90,953.28/125,496.48 = 52,710.56/x
  3. Step 3: Cross multiply
    90,953.28x = 125,496.48 × 52,710.56
  4. Step 4: Simplify right side
    90,953.28x = 6,614,989,738.83
  5. Step 5: Solve for x
    x = 6,614,989,738.83/90,953.28
  6. Step 6: Final answer
    x = 72,729.53

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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.