Home / 45,335.22-68,117.64-28,703.07

Finding the Fourth Proportional to 45,335.22, 68,117.64 and 28,703.07

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Solution

The fourth proportional to 45,335.22, 68,117.64 and 28,703.07 is: 43,127.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,335.22 : 68,117.64 = 28,703.07 : x
  2. Step 2: Convert to fraction form
    45,335.22/68,117.64 = 28,703.07/x
  3. Step 3: Cross multiply
    45,335.22x = 68,117.64 × 28,703.07
  4. Step 4: Simplify right side
    45,335.22x = 1,955,185,389.15
  5. Step 5: Solve for x
    x = 1,955,185,389.15/45,335.22
  6. Step 6: Final answer
    x = 43,127.29

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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.