Home / 101,925.09-140,651.85-56,606.00

Finding the Fourth Proportional to 101,925.09, 140,651.85 and 56,606.00

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Solution

The fourth proportional to 101,925.09, 140,651.85 and 56,606.00 is: 78,113.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,925.09 : 140,651.85 = 56,606.00 : x
  2. Step 2: Convert to fraction form
    101,925.09/140,651.85 = 56,606.00/x
  3. Step 3: Cross multiply
    101,925.09x = 140,651.85 × 56,606.00
  4. Step 4: Simplify right side
    101,925.09x = 7,961,737,917.84
  5. Step 5: Solve for x
    x = 7,961,737,917.84/101,925.09
  6. Step 6: Final answer
    x = 78,113.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.