Home / 55,411.20-76,388.40-34,176.24

Finding the Fourth Proportional to 55,411.20, 76,388.40 and 34,176.24

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Solution

The fourth proportional to 55,411.20, 76,388.40 and 34,176.24 is: 47,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,411.20 : 76,388.40 = 34,176.24 : x
  2. Step 2: Convert to fraction form
    55,411.20/76,388.40 = 34,176.24/x
  3. Step 3: Cross multiply
    55,411.20x = 76,388.40 × 34,176.24
  4. Step 4: Simplify right side
    55,411.20x = 2,610,668,291.62
  5. Step 5: Solve for x
    x = 2,610,668,291.62/55,411.20
  6. Step 6: Final answer
    x = 47,114.45

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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.