Home / 76,968.10-106,229.79-45,925.33

Finding the Fourth Proportional to 76,968.10, 106,229.79 and 45,925.33

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Solution

The fourth proportional to 76,968.10, 106,229.79 and 45,925.33 is: 63,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,968.10 : 106,229.79 = 45,925.33 : x
  2. Step 2: Convert to fraction form
    76,968.10/106,229.79 = 45,925.33/x
  3. Step 3: Cross multiply
    76,968.10x = 106,229.79 × 45,925.33
  4. Step 4: Simplify right side
    76,968.10x = 4,878,638,161.58
  5. Step 5: Solve for x
    x = 4,878,638,161.58/76,968.10
  6. Step 6: Final answer
    x = 63,385.20

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1.5x scale

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.