Home / 114,057.86-157,347.53-73,784.61

Finding the Fourth Proportional to 114,057.86, 157,347.53 and 73,784.61

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Solution

The fourth proportional to 114,057.86, 157,347.53 and 73,784.61 is: 101,788.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,057.86 : 157,347.53 = 73,784.61 : x
  2. Step 2: Convert to fraction form
    114,057.86/157,347.53 = 73,784.61/x
  3. Step 3: Cross multiply
    114,057.86x = 157,347.53 × 73,784.61
  4. Step 4: Simplify right side
    114,057.86x = 11,609,826,516.66
  5. Step 5: Solve for x
    x = 11,609,826,516.66/114,057.86
  6. Step 6: Final answer
    x = 101,788.92

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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.