Home / 82,852.50-114,254.36-51,015.20

Finding the Fourth Proportional to 82,852.50, 114,254.36 and 51,015.20

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Solution

The fourth proportional to 82,852.50, 114,254.36 and 51,015.20 is: 70,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,852.50 : 114,254.36 = 51,015.20 : x
  2. Step 2: Convert to fraction form
    82,852.50/114,254.36 = 51,015.20/x
  3. Step 3: Cross multiply
    82,852.50x = 114,254.36 × 51,015.20
  4. Step 4: Simplify right side
    82,852.50x = 5,828,709,026.27
  5. Step 5: Solve for x
    x = 5,828,709,026.27/82,852.50
  6. Step 6: Final answer
    x = 70,350.43

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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.