Home / 50,156.20-74,780.69-47,564.20

Finding the Fourth Proportional to 50,156.20, 74,780.69 and 47,564.20

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Solution

The fourth proportional to 50,156.20, 74,780.69 and 47,564.20 is: 70,916.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,156.20 : 74,780.69 = 47,564.20 : x
  2. Step 2: Convert to fraction form
    50,156.20/74,780.69 = 47,564.20/x
  3. Step 3: Cross multiply
    50,156.20x = 74,780.69 × 47,564.20
  4. Step 4: Simplify right side
    50,156.20x = 3,556,883,695.30
  5. Step 5: Solve for x
    x = 3,556,883,695.30/50,156.20
  6. Step 6: Final answer
    x = 70,916.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.