Home / 124,561.01-186,907.14-72,007.40

Finding the Fourth Proportional to 124,561.01, 186,907.14 and 72,007.40

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Solution

The fourth proportional to 124,561.01, 186,907.14 and 72,007.40 is: 108,049.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,561.01 : 186,907.14 = 72,007.40 : x
  2. Step 2: Convert to fraction form
    124,561.01/186,907.14 = 72,007.40/x
  3. Step 3: Cross multiply
    124,561.01x = 186,907.14 × 72,007.40
  4. Step 4: Simplify right side
    124,561.01x = 13,458,697,660.10
  5. Step 5: Solve for x
    x = 13,458,697,660.10/124,561.01
  6. Step 6: Final answer
    x = 108,049.04

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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.