Home / 64,262.16-96,416.33-28,720.53

Finding the Fourth Proportional to 64,262.16, 96,416.33 and 28,720.53

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Solution

The fourth proportional to 64,262.16, 96,416.33 and 28,720.53 is: 43,091.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,262.16 : 96,416.33 = 28,720.53 : x
  2. Step 2: Convert to fraction form
    64,262.16/96,416.33 = 28,720.53/x
  3. Step 3: Cross multiply
    64,262.16x = 96,416.33 × 28,720.53
  4. Step 4: Simplify right side
    64,262.16x = 2,769,127,954.65
  5. Step 5: Solve for x
    x = 2,769,127,954.65/64,262.16
  6. Step 6: Final answer
    x = 43,091.11

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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.