Home / 78,531.06-108,379.88-46,265.98

Finding the Fourth Proportional to 78,531.06, 108,379.88 and 46,265.98

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Solution

The fourth proportional to 78,531.06, 108,379.88 and 46,265.98 is: 63,851.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,531.06 : 108,379.88 = 46,265.98 : x
  2. Step 2: Convert to fraction form
    78,531.06/108,379.88 = 46,265.98/x
  3. Step 3: Cross multiply
    78,531.06x = 108,379.88 × 46,265.98
  4. Step 4: Simplify right side
    78,531.06x = 5,014,301,360.48
  5. Step 5: Solve for x
    x = 5,014,301,360.48/78,531.06
  6. Step 6: Final answer
    x = 63,851.19

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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.