Home / 124,562.01-186,908.64-72,008.40

Finding the Fourth Proportional to 124,562.01, 186,908.64 and 72,008.40

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Solution

The fourth proportional to 124,562.01, 186,908.64 and 72,008.40 is: 108,050.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,562.01 : 186,908.64 = 72,008.40 : x
  2. Step 2: Convert to fraction form
    124,562.01/186,908.64 = 72,008.40/x
  3. Step 3: Cross multiply
    124,562.01x = 186,908.64 × 72,008.40
  4. Step 4: Simplify right side
    124,562.01x = 13,458,992,112.58
  5. Step 5: Solve for x
    x = 13,458,992,112.58/124,562.01
  6. Step 6: Final answer
    x = 108,050.54

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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.