Home / 76,968.60-106,230.48-45,925.83

Finding the Fourth Proportional to 76,968.60, 106,230.48 and 45,925.83

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Solution

The fourth proportional to 76,968.60, 106,230.48 and 45,925.83 is: 63,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,968.60 : 106,230.48 = 45,925.83 : x
  2. Step 2: Convert to fraction form
    76,968.60/106,230.48 = 45,925.83/x
  3. Step 3: Cross multiply
    76,968.60x = 106,230.48 × 45,925.83
  4. Step 4: Simplify right side
    76,968.60x = 4,878,722,965.30
  5. Step 5: Solve for x
    x = 4,878,722,965.30/76,968.60
  6. Step 6: Final answer
    x = 63,385.89

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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.