Home / 54,242.40-74,852.33-31,582.07

Finding the Fourth Proportional to 54,242.40, 74,852.33 and 31,582.07

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Solution

The fourth proportional to 54,242.40, 74,852.33 and 31,582.07 is: 43,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,242.40 : 74,852.33 = 31,582.07 : x
  2. Step 2: Convert to fraction form
    54,242.40/74,852.33 = 31,582.07/x
  3. Step 3: Cross multiply
    54,242.40x = 74,852.33 × 31,582.07
  4. Step 4: Simplify right side
    54,242.40x = 2,363,990,993.55
  5. Step 5: Solve for x
    x = 2,363,990,993.55/54,242.40
  6. Step 6: Final answer
    x = 43,581.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.