Home / 64,117.89-96,196.28-45,434.13

Finding the Fourth Proportional to 64,117.89, 96,196.28 and 45,434.13

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Solution

The fourth proportional to 64,117.89, 96,196.28 and 45,434.13 is: 68,164.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,117.89 : 96,196.28 = 45,434.13 : x
  2. Step 2: Convert to fraction form
    64,117.89/96,196.28 = 45,434.13/x
  3. Step 3: Cross multiply
    64,117.89x = 96,196.28 × 45,434.13
  4. Step 4: Simplify right side
    64,117.89x = 4,370,593,703.13
  5. Step 5: Solve for x
    x = 4,370,593,703.13/64,117.89
  6. Step 6: Final answer
    x = 68,164.96

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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.