Home / 55,348.18-76,358.50-34,090.54

Finding the Fourth Proportional to 55,348.18, 76,358.50 and 34,090.54

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Solution

The fourth proportional to 55,348.18, 76,358.50 and 34,090.54 is: 47,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,348.18 : 76,358.50 = 34,090.54 : x
  2. Step 2: Convert to fraction form
    55,348.18/76,358.50 = 34,090.54/x
  3. Step 3: Cross multiply
    55,348.18x = 76,358.50 × 34,090.54
  4. Step 4: Simplify right side
    55,348.18x = 2,603,102,222.47
  5. Step 5: Solve for x
    x = 2,603,102,222.47/55,348.18
  6. Step 6: Final answer
    x = 47,031.40

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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.