Home / 115,543.15-173,312.41-52,351.49

Finding the Fourth Proportional to 115,543.15, 173,312.41 and 52,351.49

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Solution

The fourth proportional to 115,543.15, 173,312.41 and 52,351.49 is: 78,526.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,543.15 : 173,312.41 = 52,351.49 : x
  2. Step 2: Convert to fraction form
    115,543.15/173,312.41 = 52,351.49/x
  3. Step 3: Cross multiply
    115,543.15x = 173,312.41 × 52,351.49
  4. Step 4: Simplify right side
    115,543.15x = 9,073,163,322.11
  5. Step 5: Solve for x
    x = 9,073,163,322.11/115,543.15
  6. Step 6: Final answer
    x = 78,526.19

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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.