Home / 115,622.36-173,431.10-53,292.86

Finding the Fourth Proportional to 115,622.36, 173,431.10 and 53,292.86

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Solution

The fourth proportional to 115,622.36, 173,431.10 and 53,292.86 is: 79,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,622.36 : 173,431.10 = 53,292.86 : x
  2. Step 2: Convert to fraction form
    115,622.36/173,431.10 = 53,292.86/x
  3. Step 3: Cross multiply
    115,622.36x = 173,431.10 × 53,292.86
  4. Step 4: Simplify right side
    115,622.36x = 9,242,638,598.02
  5. Step 5: Solve for x
    x = 9,242,638,598.02/115,622.36
  6. Step 6: Final answer
    x = 79,938.16

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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.