Home / 76,883.40-106,097.04-42,892.92

Finding the Fourth Proportional to 76,883.40, 106,097.04 and 42,892.92

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Solution

The fourth proportional to 76,883.40, 106,097.04 and 42,892.92 is: 59,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,883.40 : 106,097.04 = 42,892.92 : x
  2. Step 2: Convert to fraction form
    76,883.40/106,097.04 = 42,892.92/x
  3. Step 3: Cross multiply
    76,883.40x = 106,097.04 × 42,892.92
  4. Step 4: Simplify right side
    76,883.40x = 4,550,811,848.96
  5. Step 5: Solve for x
    x = 4,550,811,848.96/76,883.40
  6. Step 6: Final answer
    x = 59,191.08

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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.