Home / 54,673.09-82,009.60-42,211.31

Finding the Fourth Proportional to 54,673.09, 82,009.60 and 42,211.31

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Solution

The fourth proportional to 54,673.09, 82,009.60 and 42,211.31 is: 63,316.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,673.09 : 82,009.60 = 42,211.31 : x
  2. Step 2: Convert to fraction form
    54,673.09/82,009.60 = 42,211.31/x
  3. Step 3: Cross multiply
    54,673.09x = 82,009.60 × 42,211.31
  4. Step 4: Simplify right side
    54,673.09x = 3,461,732,133.00
  5. Step 5: Solve for x
    x = 3,461,732,133.00/54,673.09
  6. Step 6: Final answer
    x = 63,316.93

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1.5x scale

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.