Home / 90,527.86-124,929.27-54,741.79

Finding the Fourth Proportional to 90,527.86, 124,929.27 and 54,741.79

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Solution

The fourth proportional to 90,527.86, 124,929.27 and 54,741.79 is: 75,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,527.86 : 124,929.27 = 54,741.79 : x
  2. Step 2: Convert to fraction form
    90,527.86/124,929.27 = 54,741.79/x
  3. Step 3: Cross multiply
    90,527.86x = 124,929.27 × 54,741.79
  4. Step 4: Simplify right side
    90,527.86x = 6,838,851,863.19
  5. Step 5: Solve for x
    x = 6,838,851,863.19/90,527.86
  6. Step 6: Final answer
    x = 75,544.17

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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.