Home / 90,275.36-124,571.30-53,969.63

Finding the Fourth Proportional to 90,275.36, 124,571.30 and 53,969.63

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Solution

The fourth proportional to 90,275.36, 124,571.30 and 53,969.63 is: 74,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,275.36 : 124,571.30 = 53,969.63 : x
  2. Step 2: Convert to fraction form
    90,275.36/124,571.30 = 53,969.63/x
  3. Step 3: Cross multiply
    90,275.36x = 124,571.30 × 53,969.63
  4. Step 4: Simplify right side
    90,275.36x = 6,723,066,076.91
  5. Step 5: Solve for x
    x = 6,723,066,076.91/90,275.36
  6. Step 6: Final answer
    x = 74,472.88

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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.