Home / 46,780.36-70,188-28,073.82

Finding the Fourth Proportional to 46,780.36, 70,188 and 28,073.82

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Solution

The fourth proportional to 46,780.36, 70,188 and 28,073.82 is: 42,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,780.36 : 70,188 = 28,073.82 : x
  2. Step 2: Convert to fraction form
    46,780.36/70,188 = 28,073.82/x
  3. Step 3: Cross multiply
    46,780.36x = 70,188 × 28,073.82
  4. Step 4: Simplify right side
    46,780.36x = 1,970,444,927.22
  5. Step 5: Solve for x
    x = 1,970,444,927.22/46,780.36
  6. Step 6: Final answer
    x = 42,121.20

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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.