Home / 66,875.54-92,285.60-40,002.03

Finding the Fourth Proportional to 66,875.54, 92,285.60 and 40,002.03

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Solution

The fourth proportional to 66,875.54, 92,285.60 and 40,002.03 is: 55,201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,875.54 : 92,285.60 = 40,002.03 : x
  2. Step 2: Convert to fraction form
    66,875.54/92,285.60 = 40,002.03/x
  3. Step 3: Cross multiply
    66,875.54x = 92,285.60 × 40,002.03
  4. Step 4: Simplify right side
    66,875.54x = 3,691,611,139.76
  5. Step 5: Solve for x
    x = 3,691,611,139.76/66,875.54
  6. Step 6: Final answer
    x = 55,201.22

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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.