Home / 66,902.25-92,325.02-38,607.94

Finding the Fourth Proportional to 66,902.25, 92,325.02 and 38,607.94

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Solution

The fourth proportional to 66,902.25, 92,325.02 and 38,607.94 is: 53,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,902.25 : 92,325.02 = 38,607.94 : x
  2. Step 2: Convert to fraction form
    66,902.25/92,325.02 = 38,607.94/x
  3. Step 3: Cross multiply
    66,902.25x = 92,325.02 × 38,607.94
  4. Step 4: Simplify right side
    66,902.25x = 3,564,478,755.03
  5. Step 5: Solve for x
    x = 3,564,478,755.03/66,902.25
  6. Step 6: Final answer
    x = 53,278.90

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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.