Home / 61,133.22-84,381.48-39,622.23

Finding the Fourth Proportional to 61,133.22, 84,381.48 and 39,622.23

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Solution

The fourth proportional to 61,133.22, 84,381.48 and 39,622.23 is: 54,690.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,133.22 : 84,381.48 = 39,622.23 : x
  2. Step 2: Convert to fraction form
    61,133.22/84,381.48 = 39,622.23/x
  3. Step 3: Cross multiply
    61,133.22x = 84,381.48 × 39,622.23
  4. Step 4: Simplify right side
    61,133.22x = 3,343,382,408.30
  5. Step 5: Solve for x
    x = 3,343,382,408.30/61,133.22
  6. Step 6: Final answer
    x = 54,690.11

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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.