Home / 77,799.20-116,601.60-56,998.40

Finding the Fourth Proportional to 77,799.20, 116,601.60 and 56,998.40

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Solution

The fourth proportional to 77,799.20, 116,601.60 and 56,998.40 is: 85,426.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,799.20 : 116,601.60 = 56,998.40 : x
  2. Step 2: Convert to fraction form
    77,799.20/116,601.60 = 56,998.40/x
  3. Step 3: Cross multiply
    77,799.20x = 116,601.60 × 56,998.40
  4. Step 4: Simplify right side
    77,799.20x = 6,646,104,637.44
  5. Step 5: Solve for x
    x = 6,646,104,637.44/77,799.20
  6. Step 6: Final answer
    x = 85,426.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.