Home / 81,324.93-112,215.01-51,088.84

Finding the Fourth Proportional to 81,324.93, 112,215.01 and 51,088.84

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Solution

The fourth proportional to 81,324.93, 112,215.01 and 51,088.84 is: 70,494.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,324.93 : 112,215.01 = 51,088.84 : x
  2. Step 2: Convert to fraction form
    81,324.93/112,215.01 = 51,088.84/x
  3. Step 3: Cross multiply
    81,324.93x = 112,215.01 × 51,088.84
  4. Step 4: Simplify right side
    81,324.93x = 5,732,934,410.95
  5. Step 5: Solve for x
    x = 5,732,934,410.95/81,324.93
  6. Step 6: Final answer
    x = 70,494.18

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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.