Home / 54,140.12-81,210.11-14,703.02

Finding the Fourth Proportional to 54,140.12, 81,210.11 and 14,703.02

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Solution

The fourth proportional to 54,140.12, 81,210.11 and 14,703.02 is: 22,054.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,140.12 : 81,210.11 = 14,703.02 : x
  2. Step 2: Convert to fraction form
    54,140.12/81,210.11 = 14,703.02/x
  3. Step 3: Cross multiply
    54,140.12x = 81,210.11 × 14,703.02
  4. Step 4: Simplify right side
    54,140.12x = 1,194,033,871.53
  5. Step 5: Solve for x
    x = 1,194,033,871.53/54,140.12
  6. Step 6: Final answer
    x = 22,054.51

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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.