Home / 55,089.72-76,023.18-29,938.68

Finding the Fourth Proportional to 55,089.72, 76,023.18 and 29,938.68

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Solution

The fourth proportional to 55,089.72, 76,023.18 and 29,938.68 is: 41,315.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,089.72 : 76,023.18 = 29,938.68 : x
  2. Step 2: Convert to fraction form
    55,089.72/76,023.18 = 29,938.68/x
  3. Step 3: Cross multiply
    55,089.72x = 76,023.18 × 29,938.68
  4. Step 4: Simplify right side
    55,089.72x = 2,276,033,658.60
  5. Step 5: Solve for x
    x = 2,276,033,658.60/55,089.72
  6. Step 6: Final answer
    x = 41,315.03

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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.