Home / 54,582.16-75,317.35-30,708.43

Finding the Fourth Proportional to 54,582.16, 75,317.35 and 30,708.43

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Solution

The fourth proportional to 54,582.16, 75,317.35 and 30,708.43 is: 42,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,582.16 : 75,317.35 = 30,708.43 : x
  2. Step 2: Convert to fraction form
    54,582.16/75,317.35 = 30,708.43/x
  3. Step 3: Cross multiply
    54,582.16x = 75,317.35 × 30,708.43
  4. Step 4: Simplify right side
    54,582.16x = 2,312,877,570.26
  5. Step 5: Solve for x
    x = 2,312,877,570.26/54,582.16
  6. Step 6: Final answer
    x = 42,374.24

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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.