Home / 103,258.09-154,887.15-36,700.85

Finding the Fourth Proportional to 103,258.09, 154,887.15 and 36,700.85

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Solution

The fourth proportional to 103,258.09, 154,887.15 and 36,700.85 is: 55,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,258.09 : 154,887.15 = 36,700.85 : x
  2. Step 2: Convert to fraction form
    103,258.09/154,887.15 = 36,700.85/x
  3. Step 3: Cross multiply
    103,258.09x = 154,887.15 × 36,700.85
  4. Step 4: Simplify right side
    103,258.09x = 5,684,490,059.08
  5. Step 5: Solve for x
    x = 5,684,490,059.08/103,258.09
  6. Step 6: Final answer
    x = 55,051.28

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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.