Home / 81,052.35-111,852.36-45,242.34

Finding the Fourth Proportional to 81,052.35, 111,852.36 and 45,242.34

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Solution

The fourth proportional to 81,052.35, 111,852.36 and 45,242.34 is: 62,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,052.35 : 111,852.36 = 45,242.34 : x
  2. Step 2: Convert to fraction form
    81,052.35/111,852.36 = 45,242.34/x
  3. Step 3: Cross multiply
    81,052.35x = 111,852.36 × 45,242.34
  4. Step 4: Simplify right side
    81,052.35x = 5,060,462,500.92
  5. Step 5: Solve for x
    x = 5,060,462,500.92/81,052.35
  6. Step 6: Final answer
    x = 62,434.49

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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.