Home / 55,176.06-76,219.82-53,127.79

Finding the Fourth Proportional to 55,176.06, 76,219.82 and 53,127.79

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Solution

The fourth proportional to 55,176.06, 76,219.82 and 53,127.79 is: 73,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,176.06 : 76,219.82 = 53,127.79 : x
  2. Step 2: Convert to fraction form
    55,176.06/76,219.82 = 53,127.79/x
  3. Step 3: Cross multiply
    55,176.06x = 76,219.82 × 53,127.79
  4. Step 4: Simplify right side
    55,176.06x = 4,049,390,590.80
  5. Step 5: Solve for x
    x = 4,049,390,590.80/55,176.06
  6. Step 6: Final answer
    x = 73,390.35

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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.