Home / 74,740.10-103,082.99-47,885.11

Finding the Fourth Proportional to 74,740.10, 103,082.99 and 47,885.11

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Solution

The fourth proportional to 74,740.10, 103,082.99 and 47,885.11 is: 66,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,740.10 : 103,082.99 = 47,885.11 : x
  2. Step 2: Convert to fraction form
    74,740.10/103,082.99 = 47,885.11/x
  3. Step 3: Cross multiply
    74,740.10x = 103,082.99 × 47,885.11
  4. Step 4: Simplify right side
    74,740.10x = 4,936,139,818.15
  5. Step 5: Solve for x
    x = 4,936,139,818.15/74,740.10
  6. Step 6: Final answer
    x = 66,044.07

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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.