Home / 113,088.21-169,373.95-53,965.40

Finding the Fourth Proportional to 113,088.21, 169,373.95 and 53,965.40

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Solution

The fourth proportional to 113,088.21, 169,373.95 and 53,965.40 is: 80,824.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,088.21 : 169,373.95 = 53,965.40 : x
  2. Step 2: Convert to fraction form
    113,088.21/169,373.95 = 53,965.40/x
  3. Step 3: Cross multiply
    113,088.21x = 169,373.95 × 53,965.40
  4. Step 4: Simplify right side
    113,088.21x = 9,140,332,961.33
  5. Step 5: Solve for x
    x = 9,140,332,961.33/113,088.21
  6. Step 6: Final answer
    x = 80,824.81

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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.