Home / 50,713.76-76,070.64-39,603.80

Finding the Fourth Proportional to 50,713.76, 76,070.64 and 39,603.80

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Solution

The fourth proportional to 50,713.76, 76,070.64 and 39,603.80 is: 59,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,713.76 : 76,070.64 = 39,603.80 : x
  2. Step 2: Convert to fraction form
    50,713.76/76,070.64 = 39,603.80/x
  3. Step 3: Cross multiply
    50,713.76x = 76,070.64 × 39,603.80
  4. Step 4: Simplify right side
    50,713.76x = 3,012,686,412.43
  5. Step 5: Solve for x
    x = 3,012,686,412.43/50,713.76
  6. Step 6: Final answer
    x = 59,405.70

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1.5x scale

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.