Home / 55,475.92-76,535-34,218.16

Finding the Fourth Proportional to 55,475.92, 76,535 and 34,218.16

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Solution

The fourth proportional to 55,475.92, 76,535 and 34,218.16 is: 47,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,475.92 : 76,535 = 34,218.16 : x
  2. Step 2: Convert to fraction form
    55,475.92/76,535 = 34,218.16/x
  3. Step 3: Cross multiply
    55,475.92x = 76,535 × 34,218.16
  4. Step 4: Simplify right side
    55,475.92x = 2,618,886,875.60
  5. Step 5: Solve for x
    x = 2,618,886,875.60/55,475.92
  6. Step 6: Final answer
    x = 47,207.63

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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.