Home / 78,560.89-108,405.23-46,293.41

Finding the Fourth Proportional to 78,560.89, 108,405.23 and 46,293.41

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Solution

The fourth proportional to 78,560.89, 108,405.23 and 46,293.41 is: 63,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,560.89 : 108,405.23 = 46,293.41 : x
  2. Step 2: Convert to fraction form
    78,560.89/108,405.23 = 46,293.41/x
  3. Step 3: Cross multiply
    78,560.89x = 108,405.23 × 46,293.41
  4. Step 4: Simplify right side
    78,560.89x = 5,018,447,798.08
  5. Step 5: Solve for x
    x = 5,018,447,798.08/78,560.89
  6. Step 6: Final answer
    x = 63,879.72

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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.