Home / 97,164.04-145,746.09-75,009.76

Finding the Fourth Proportional to 97,164.04, 145,746.09 and 75,009.76

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Solution

The fourth proportional to 97,164.04, 145,746.09 and 75,009.76 is: 112,514.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,164.04 : 145,746.09 = 75,009.76 : x
  2. Step 2: Convert to fraction form
    97,164.04/145,746.09 = 75,009.76/x
  3. Step 3: Cross multiply
    97,164.04x = 145,746.09 × 75,009.76
  4. Step 4: Simplify right side
    97,164.04x = 10,932,379,231.84
  5. Step 5: Solve for x
    x = 10,932,379,231.84/97,164.04
  6. Step 6: Final answer
    x = 112,514.66

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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.