Home / 51,089.58-76,503.15-31,308.17

Finding the Fourth Proportional to 51,089.58, 76,503.15 and 31,308.17

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Solution

The fourth proportional to 51,089.58, 76,503.15 and 31,308.17 is: 46,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,089.58 : 76,503.15 = 31,308.17 : x
  2. Step 2: Convert to fraction form
    51,089.58/76,503.15 = 31,308.17/x
  3. Step 3: Cross multiply
    51,089.58x = 76,503.15 × 31,308.17
  4. Step 4: Simplify right side
    51,089.58x = 2,395,173,243.22
  5. Step 5: Solve for x
    x = 2,395,173,243.22/51,089.58
  6. Step 6: Final answer
    x = 46,881.83

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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.