Home / 85,123.95-117,466.84-49,325.49

Finding the Fourth Proportional to 85,123.95, 117,466.84 and 49,325.49

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Solution

The fourth proportional to 85,123.95, 117,466.84 and 49,325.49 is: 68,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,123.95 : 117,466.84 = 49,325.49 : x
  2. Step 2: Convert to fraction form
    85,123.95/117,466.84 = 49,325.49/x
  3. Step 3: Cross multiply
    85,123.95x = 117,466.84 × 49,325.49
  4. Step 4: Simplify right side
    85,123.95x = 5,794,109,503.41
  5. Step 5: Solve for x
    x = 5,794,109,503.41/85,123.95
  6. Step 6: Final answer
    x = 68,066.74

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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.