Home / 56,151.23-77,843.53-53,155.04

Finding the Fourth Proportional to 56,151.23, 77,843.53 and 53,155.04

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Solution

The fourth proportional to 56,151.23, 77,843.53 and 53,155.04 is: 73,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,151.23 : 77,843.53 = 53,155.04 : x
  2. Step 2: Convert to fraction form
    56,151.23/77,843.53 = 53,155.04/x
  3. Step 3: Cross multiply
    56,151.23x = 77,843.53 × 53,155.04
  4. Step 4: Simplify right side
    56,151.23x = 4,137,775,628.12
  5. Step 5: Solve for x
    x = 4,137,775,628.12/56,151.23
  6. Step 6: Final answer
    x = 73,689.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.