Home / 76,537.02-105,628.30-46,329.86

Finding the Fourth Proportional to 76,537.02, 105,628.30 and 46,329.86

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Solution

The fourth proportional to 76,537.02, 105,628.30 and 46,329.86 is: 63,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,537.02 : 105,628.30 = 46,329.86 : x
  2. Step 2: Convert to fraction form
    76,537.02/105,628.30 = 46,329.86/x
  3. Step 3: Cross multiply
    76,537.02x = 105,628.30 × 46,329.86
  4. Step 4: Simplify right side
    76,537.02x = 4,893,744,351.04
  5. Step 5: Solve for x
    x = 4,893,744,351.04/76,537.02
  6. Step 6: Final answer
    x = 63,939.57

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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.