Home / 55,929.40-83,699.70-51,263.80

Finding the Fourth Proportional to 55,929.40, 83,699.70 and 51,263.80

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Solution

The fourth proportional to 55,929.40, 83,699.70 and 51,263.80 is: 76,717.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,929.40 : 83,699.70 = 51,263.80 : x
  2. Step 2: Convert to fraction form
    55,929.40/83,699.70 = 51,263.80/x
  3. Step 3: Cross multiply
    55,929.40x = 83,699.70 × 51,263.80
  4. Step 4: Simplify right side
    55,929.40x = 4,290,764,680.86
  5. Step 5: Solve for x
    x = 4,290,764,680.86/55,929.40
  6. Step 6: Final answer
    x = 76,717.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.