Home / 96,430.64-133,072.98-53,989.16

Finding the Fourth Proportional to 96,430.64, 133,072.98 and 53,989.16

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Solution

The fourth proportional to 96,430.64, 133,072.98 and 53,989.16 is: 74,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,430.64 : 133,072.98 = 53,989.16 : x
  2. Step 2: Convert to fraction form
    96,430.64/133,072.98 = 53,989.16/x
  3. Step 3: Cross multiply
    96,430.64x = 133,072.98 × 53,989.16
  4. Step 4: Simplify right side
    96,430.64x = 7,184,498,408.90
  5. Step 5: Solve for x
    x = 7,184,498,408.90/96,430.64
  6. Step 6: Final answer
    x = 74,504.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.