Home / 78,827.24-108,774.18-46,989.80

Finding the Fourth Proportional to 78,827.24, 108,774.18 and 46,989.80

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Solution

The fourth proportional to 78,827.24, 108,774.18 and 46,989.80 is: 64,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,827.24 : 108,774.18 = 46,989.80 : x
  2. Step 2: Convert to fraction form
    78,827.24/108,774.18 = 46,989.80/x
  3. Step 3: Cross multiply
    78,827.24x = 108,774.18 × 46,989.80
  4. Step 4: Simplify right side
    78,827.24x = 5,111,276,963.36
  5. Step 5: Solve for x
    x = 5,111,276,963.36/78,827.24
  6. Step 6: Final answer
    x = 64,841.51

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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.