Home / 81,935.25-122,902.88-46,850.30

Finding the Fourth Proportional to 81,935.25, 122,902.88 and 46,850.30

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Solution

The fourth proportional to 81,935.25, 122,902.88 and 46,850.30 is: 70,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,935.25 : 122,902.88 = 46,850.30 : x
  2. Step 2: Convert to fraction form
    81,935.25/122,902.88 = 46,850.30/x
  3. Step 3: Cross multiply
    81,935.25x = 122,902.88 × 46,850.30
  4. Step 4: Simplify right side
    81,935.25x = 5,758,036,798.86
  5. Step 5: Solve for x
    x = 5,758,036,798.86/81,935.25
  6. Step 6: Final answer
    x = 70,275.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.