Home / 65,385.12-97,991.28-23,792.16

Finding the Fourth Proportional to 65,385.12, 97,991.28 and 23,792.16

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Solution

The fourth proportional to 65,385.12, 97,991.28 and 23,792.16 is: 35,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,385.12 : 97,991.28 = 23,792.16 : x
  2. Step 2: Convert to fraction form
    65,385.12/97,991.28 = 23,792.16/x
  3. Step 3: Cross multiply
    65,385.12x = 97,991.28 × 23,792.16
  4. Step 4: Simplify right side
    65,385.12x = 2,331,424,212.36
  5. Step 5: Solve for x
    x = 2,331,424,212.36/65,385.12
  6. Step 6: Final answer
    x = 35,656.80

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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.