Home / 55,828.98-76,984.86-35,686.74

Finding the Fourth Proportional to 55,828.98, 76,984.86 and 35,686.74

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Solution

The fourth proportional to 55,828.98, 76,984.86 and 35,686.74 is: 49,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,828.98 : 76,984.86 = 35,686.74 : x
  2. Step 2: Convert to fraction form
    55,828.98/76,984.86 = 35,686.74/x
  3. Step 3: Cross multiply
    55,828.98x = 76,984.86 × 35,686.74
  4. Step 4: Simplify right side
    55,828.98x = 2,747,338,682.76
  5. Step 5: Solve for x
    x = 2,747,338,682.76/55,828.98
  6. Step 6: Final answer
    x = 49,209.90

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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.