Home / 55,175.56-76,219.13-53,127.29

Finding the Fourth Proportional to 55,175.56, 76,219.13 and 53,127.29

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Solution

The fourth proportional to 55,175.56, 76,219.13 and 53,127.29 is: 73,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,175.56 : 76,219.13 = 53,127.29 : x
  2. Step 2: Convert to fraction form
    55,175.56/76,219.13 = 53,127.29/x
  3. Step 3: Cross multiply
    55,175.56x = 76,219.13 × 53,127.29
  4. Step 4: Simplify right side
    55,175.56x = 4,049,315,557.42
  5. Step 5: Solve for x
    x = 4,049,315,557.42/55,175.56
  6. Step 6: Final answer
    x = 73,389.67

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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.