Home / 84,129.04-126,212.70-27,964.60

Finding the Fourth Proportional to 84,129.04, 126,212.70 and 27,964.60

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Solution

The fourth proportional to 84,129.04, 126,212.70 and 27,964.60 is: 41,953.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,129.04 : 126,212.70 = 27,964.60 : x
  2. Step 2: Convert to fraction form
    84,129.04/126,212.70 = 27,964.60/x
  3. Step 3: Cross multiply
    84,129.04x = 126,212.70 × 27,964.60
  4. Step 4: Simplify right side
    84,129.04x = 3,529,487,670.42
  5. Step 5: Solve for x
    x = 3,529,487,670.42/84,129.04
  6. Step 6: Final answer
    x = 41,953.26

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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.