Home / 54,585.68-75,300.64-31,909.84

Finding the Fourth Proportional to 54,585.68, 75,300.64 and 31,909.84

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Solution

The fourth proportional to 54,585.68, 75,300.64 and 31,909.84 is: 44,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,585.68 : 75,300.64 = 31,909.84 : x
  2. Step 2: Convert to fraction form
    54,585.68/75,300.64 = 31,909.84/x
  3. Step 3: Cross multiply
    54,585.68x = 75,300.64 × 31,909.84
  4. Step 4: Simplify right side
    54,585.68x = 2,402,831,374.30
  5. Step 5: Solve for x
    x = 2,402,831,374.30/54,585.68
  6. Step 6: Final answer
    x = 44,019.45

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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.