Home / 55,763.51-76,951.01-30,269.30

Finding the Fourth Proportional to 55,763.51, 76,951.01 and 30,269.30

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Solution

The fourth proportional to 55,763.51, 76,951.01 and 30,269.30 is: 41,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,763.51 : 76,951.01 = 30,269.30 : x
  2. Step 2: Convert to fraction form
    55,763.51/76,951.01 = 30,269.30/x
  3. Step 3: Cross multiply
    55,763.51x = 76,951.01 × 30,269.30
  4. Step 4: Simplify right side
    55,763.51x = 2,329,252,897.91
  5. Step 5: Solve for x
    x = 2,329,252,897.91/55,763.51
  6. Step 6: Final answer
    x = 41,770.20

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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.