Home / 92,762.20-128,012.08-50,320.73

Finding the Fourth Proportional to 92,762.20, 128,012.08 and 50,320.73

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Solution

The fourth proportional to 92,762.20, 128,012.08 and 50,320.73 is: 69,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,762.20 : 128,012.08 = 50,320.73 : x
  2. Step 2: Convert to fraction form
    92,762.20/128,012.08 = 50,320.73/x
  3. Step 3: Cross multiply
    92,762.20x = 128,012.08 × 50,320.73
  4. Step 4: Simplify right side
    92,762.20x = 6,441,661,476.05
  5. Step 5: Solve for x
    x = 6,441,661,476.05/92,762.20
  6. Step 6: Final answer
    x = 69,442.74

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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.