Home / 54,298.08-81,075.72-48,639.22

Finding the Fourth Proportional to 54,298.08, 81,075.72 and 48,639.22

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Solution

The fourth proportional to 54,298.08, 81,075.72 and 48,639.22 is: 72,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,298.08 : 81,075.72 = 48,639.22 : x
  2. Step 2: Convert to fraction form
    54,298.08/81,075.72 = 48,639.22/x
  3. Step 3: Cross multiply
    54,298.08x = 81,075.72 × 48,639.22
  4. Step 4: Simplify right side
    54,298.08x = 3,943,459,781.74
  5. Step 5: Solve for x
    x = 3,943,459,781.74/54,298.08
  6. Step 6: Final answer
    x = 72,626.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.