Home / 90,599.21-125,026.69-50,312.85

Finding the Fourth Proportional to 90,599.21, 125,026.69 and 50,312.85

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Solution

The fourth proportional to 90,599.21, 125,026.69 and 50,312.85 is: 69,431.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,599.21 : 125,026.69 = 50,312.85 : x
  2. Step 2: Convert to fraction form
    90,599.21/125,026.69 = 50,312.85/x
  3. Step 3: Cross multiply
    90,599.21x = 125,026.69 × 50,312.85
  4. Step 4: Simplify right side
    90,599.21x = 6,290,448,599.67
  5. Step 5: Solve for x
    x = 6,290,448,599.67/90,599.21
  6. Step 6: Final answer
    x = 69,431.61

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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.