Home / 96,212.72-144,085.80-66,547.28

Finding the Fourth Proportional to 96,212.72, 144,085.80 and 66,547.28

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Solution

The fourth proportional to 96,212.72, 144,085.80 and 66,547.28 is: 99,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,212.72 : 144,085.80 = 66,547.28 : x
  2. Step 2: Convert to fraction form
    96,212.72/144,085.80 = 66,547.28/x
  3. Step 3: Cross multiply
    96,212.72x = 144,085.80 × 66,547.28
  4. Step 4: Simplify right side
    96,212.72x = 9,588,518,076.62
  5. Step 5: Solve for x
    x = 9,588,518,076.62/96,212.72
  6. Step 6: Final answer
    x = 99,659.57

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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.