Home / 90,056.88-124,274.52-51,814.80

Finding the Fourth Proportional to 90,056.88, 124,274.52 and 51,814.80

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Solution

The fourth proportional to 90,056.88, 124,274.52 and 51,814.80 is: 71,502.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,056.88 : 124,274.52 = 51,814.80 : x
  2. Step 2: Convert to fraction form
    90,056.88/124,274.52 = 51,814.80/x
  3. Step 3: Cross multiply
    90,056.88x = 124,274.52 × 51,814.80
  4. Step 4: Simplify right side
    90,056.88x = 6,439,259,398.90
  5. Step 5: Solve for x
    x = 6,439,259,398.90/90,056.88
  6. Step 6: Final answer
    x = 71,502.14

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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.