Home / 48,619.35-67,111.29-28,482.66

Finding the Fourth Proportional to 48,619.35, 67,111.29 and 28,482.66

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Solution

The fourth proportional to 48,619.35, 67,111.29 and 28,482.66 is: 39,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.35 : 67,111.29 = 28,482.66 : x
  2. Step 2: Convert to fraction form
    48,619.35/67,111.29 = 28,482.66/x
  3. Step 3: Cross multiply
    48,619.35x = 67,111.29 × 28,482.66
  4. Step 4: Simplify right side
    48,619.35x = 1,911,508,055.23
  5. Step 5: Solve for x
    x = 1,911,508,055.23/48,619.35
  6. Step 6: Final answer
    x = 39,315.79

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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.