Home / 55,554.03-76,664.78-51,315.92

Finding the Fourth Proportional to 55,554.03, 76,664.78 and 51,315.92

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Solution

The fourth proportional to 55,554.03, 76,664.78 and 51,315.92 is: 70,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,554.03 : 76,664.78 = 51,315.92 : x
  2. Step 2: Convert to fraction form
    55,554.03/76,664.78 = 51,315.92/x
  3. Step 3: Cross multiply
    55,554.03x = 76,664.78 × 51,315.92
  4. Step 4: Simplify right side
    55,554.03x = 3,934,123,077.39
  5. Step 5: Solve for x
    x = 3,934,123,077.39/55,554.03
  6. Step 6: Final answer
    x = 70,816.16

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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.