Home / 115,557.03-173,216.62-56,319.40

Finding the Fourth Proportional to 115,557.03, 173,216.62 and 56,319.40

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Solution

The fourth proportional to 115,557.03, 173,216.62 and 56,319.40 is: 84,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,557.03 : 173,216.62 = 56,319.40 : x
  2. Step 2: Convert to fraction form
    115,557.03/173,216.62 = 56,319.40/x
  3. Step 3: Cross multiply
    115,557.03x = 173,216.62 × 56,319.40
  4. Step 4: Simplify right side
    115,557.03x = 9,755,456,108.43
  5. Step 5: Solve for x
    x = 9,755,456,108.43/115,557.03
  6. Step 6: Final answer
    x = 84,421.14

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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.