Home / 75,436.60-113,025.30-49,127.80

Finding the Fourth Proportional to 75,436.60, 113,025.30 and 49,127.80

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Solution

The fourth proportional to 75,436.60, 113,025.30 and 49,127.80 is: 73,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,436.60 : 113,025.30 = 49,127.80 : x
  2. Step 2: Convert to fraction form
    75,436.60/113,025.30 = 49,127.80/x
  3. Step 3: Cross multiply
    75,436.60x = 113,025.30 × 49,127.80
  4. Step 4: Simplify right side
    75,436.60x = 5,552,684,333.34
  5. Step 5: Solve for x
    x = 5,552,684,333.34/75,436.60
  6. Step 6: Final answer
    x = 73,607.30

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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.