Home / 76,788.60-105,967.02-43,254.84

Finding the Fourth Proportional to 76,788.60, 105,967.02 and 43,254.84

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Solution

The fourth proportional to 76,788.60, 105,967.02 and 43,254.84 is: 59,690.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,788.60 : 105,967.02 = 43,254.84 : x
  2. Step 2: Convert to fraction form
    76,788.60/105,967.02 = 43,254.84/x
  3. Step 3: Cross multiply
    76,788.60x = 105,967.02 × 43,254.84
  4. Step 4: Simplify right side
    76,788.60x = 4,583,586,495.38
  5. Step 5: Solve for x
    x = 4,583,586,495.38/76,788.60
  6. Step 6: Final answer
    x = 59,690.98

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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.