Home / 55,397.20-76,484.70-34,207.60

Finding the Fourth Proportional to 55,397.20, 76,484.70 and 34,207.60

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Solution

The fourth proportional to 55,397.20, 76,484.70 and 34,207.60 is: 47,229.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,397.20 : 76,484.70 = 34,207.60 : x
  2. Step 2: Convert to fraction form
    55,397.20/76,484.70 = 34,207.60/x
  3. Step 3: Cross multiply
    55,397.20x = 76,484.70 × 34,207.60
  4. Step 4: Simplify right side
    55,397.20x = 2,616,358,023.72
  5. Step 5: Solve for x
    x = 2,616,358,023.72/55,397.20
  6. Step 6: Final answer
    x = 47,229.07

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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.