Home / 56,156.76-84,164.40-49,120.02

Finding the Fourth Proportional to 56,156.76, 84,164.40 and 49,120.02

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Solution

The fourth proportional to 56,156.76, 84,164.40 and 49,120.02 is: 73,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,156.76 : 84,164.40 = 49,120.02 : x
  2. Step 2: Convert to fraction form
    56,156.76/84,164.40 = 49,120.02/x
  3. Step 3: Cross multiply
    56,156.76x = 84,164.40 × 49,120.02
  4. Step 4: Simplify right side
    56,156.76x = 4,134,157,011.29
  5. Step 5: Solve for x
    x = 4,134,157,011.29/56,156.76
  6. Step 6: Final answer
    x = 73,618.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.