Home / 90,664.21-125,109.27-52,426.23

Finding the Fourth Proportional to 90,664.21, 125,109.27 and 52,426.23

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Solution

The fourth proportional to 90,664.21, 125,109.27 and 52,426.23 is: 72,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,664.21 : 125,109.27 = 52,426.23 : x
  2. Step 2: Convert to fraction form
    90,664.21/125,109.27 = 52,426.23/x
  3. Step 3: Cross multiply
    90,664.21x = 125,109.27 × 52,426.23
  4. Step 4: Simplify right side
    90,664.21x = 6,559,007,102.02
  5. Step 5: Solve for x
    x = 6,559,007,102.02/90,664.21
  6. Step 6: Final answer
    x = 72,343.95

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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.