Home / 85,319.58-127,964.79-22,975.50

Finding the Fourth Proportional to 85,319.58, 127,964.79 and 22,975.50

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Solution

The fourth proportional to 85,319.58, 127,964.79 and 22,975.50 is: 34,459.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,319.58 : 127,964.79 = 22,975.50 : x
  2. Step 2: Convert to fraction form
    85,319.58/127,964.79 = 22,975.50/x
  3. Step 3: Cross multiply
    85,319.58x = 127,964.79 × 22,975.50
  4. Step 4: Simplify right side
    85,319.58x = 2,940,055,032.65
  5. Step 5: Solve for x
    x = 2,940,055,032.65/85,319.58
  6. Step 6: Final answer
    x = 34,459.32

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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.