Home / 54,262.10-81,283.80-36,547.40

Finding the Fourth Proportional to 54,262.10, 81,283.80 and 36,547.40

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Solution

The fourth proportional to 54,262.10, 81,283.80 and 36,547.40 is: 54,747.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,262.10 : 81,283.80 = 36,547.40 : x
  2. Step 2: Convert to fraction form
    54,262.10/81,283.80 = 36,547.40/x
  3. Step 3: Cross multiply
    54,262.10x = 81,283.80 × 36,547.40
  4. Step 4: Simplify right side
    54,262.10x = 2,970,711,552.12
  5. Step 5: Solve for x
    x = 2,970,711,552.12/54,262.10
  6. Step 6: Final answer
    x = 54,747.45

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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.