Home / 115,417.10-173,101.35-48,859.40

Finding the Fourth Proportional to 115,417.10, 173,101.35 and 48,859.40

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Solution

The fourth proportional to 115,417.10, 173,101.35 and 48,859.40 is: 73,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,417.10 : 173,101.35 = 48,859.40 : x
  2. Step 2: Convert to fraction form
    115,417.10/173,101.35 = 48,859.40/x
  3. Step 3: Cross multiply
    115,417.10x = 173,101.35 × 48,859.40
  4. Step 4: Simplify right side
    115,417.10x = 8,457,628,100.19
  5. Step 5: Solve for x
    x = 8,457,628,100.19/115,417.10
  6. Step 6: Final answer
    x = 73,278.81

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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.