Home / 56,185.08-77,532.44-30,691.07

Finding the Fourth Proportional to 56,185.08, 77,532.44 and 30,691.07

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Solution

The fourth proportional to 56,185.08, 77,532.44 and 30,691.07 is: 42,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,185.08 : 77,532.44 = 30,691.07 : x
  2. Step 2: Convert to fraction form
    56,185.08/77,532.44 = 30,691.07/x
  3. Step 3: Cross multiply
    56,185.08x = 77,532.44 × 30,691.07
  4. Step 4: Simplify right side
    56,185.08x = 2,379,553,543.31
  5. Step 5: Solve for x
    x = 2,379,553,543.31/56,185.08
  6. Step 6: Final answer
    x = 42,352.05

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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.