Home / 90,596.13-125,018.46-50,312.46

Finding the Fourth Proportional to 90,596.13, 125,018.46 and 50,312.46

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Solution

The fourth proportional to 90,596.13, 125,018.46 and 50,312.46 is: 69,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,596.13 : 125,018.46 = 50,312.46 : x
  2. Step 2: Convert to fraction form
    90,596.13/125,018.46 = 50,312.46/x
  3. Step 3: Cross multiply
    90,596.13x = 125,018.46 × 50,312.46
  4. Step 4: Simplify right side
    90,596.13x = 6,289,986,268.01
  5. Step 5: Solve for x
    x = 6,289,986,268.01/90,596.13
  6. Step 6: Final answer
    x = 69,428.86

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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.