Home / 61,233.30-84,505.74-40,780.30

Finding the Fourth Proportional to 61,233.30, 84,505.74 and 40,780.30

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Solution

The fourth proportional to 61,233.30, 84,505.74 and 40,780.30 is: 56,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,233.30 : 84,505.74 = 40,780.30 : x
  2. Step 2: Convert to fraction form
    61,233.30/84,505.74 = 40,780.30/x
  3. Step 3: Cross multiply
    61,233.30x = 84,505.74 × 40,780.30
  4. Step 4: Simplify right side
    61,233.30x = 3,446,169,428.92
  5. Step 5: Solve for x
    x = 3,446,169,428.92/61,233.30
  6. Step 6: Final answer
    x = 56,279.34

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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.