Home / 115,669.08-173,385.45-65,643.48

Finding the Fourth Proportional to 115,669.08, 173,385.45 and 65,643.48

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Solution

The fourth proportional to 115,669.08, 173,385.45 and 65,643.48 is: 98,398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,669.08 : 173,385.45 = 65,643.48 : x
  2. Step 2: Convert to fraction form
    115,669.08/173,385.45 = 65,643.48/x
  3. Step 3: Cross multiply
    115,669.08x = 173,385.45 × 65,643.48
  4. Step 4: Simplify right side
    115,669.08x = 11,381,624,319.37
  5. Step 5: Solve for x
    x = 11,381,624,319.37/115,669.08
  6. Step 6: Final answer
    x = 98,398.16

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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.