Home / 45,407.93-68,161.37-34,434.59

Finding the Fourth Proportional to 45,407.93, 68,161.37 and 34,434.59

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Solution

The fourth proportional to 45,407.93, 68,161.37 and 34,434.59 is: 51,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,407.93 : 68,161.37 = 34,434.59 : x
  2. Step 2: Convert to fraction form
    45,407.93/68,161.37 = 34,434.59/x
  3. Step 3: Cross multiply
    45,407.93x = 68,161.37 × 34,434.59
  4. Step 4: Simplify right side
    45,407.93x = 2,347,108,316.81
  5. Step 5: Solve for x
    x = 2,347,108,316.81/45,407.93
  6. Step 6: Final answer
    x = 51,689.40

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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.