Home / 56,163.36-77,505.71-30,670.24

Finding the Fourth Proportional to 56,163.36, 77,505.71 and 30,670.24

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Solution

The fourth proportional to 56,163.36, 77,505.71 and 30,670.24 is: 42,325.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,163.36 : 77,505.71 = 30,670.24 : x
  2. Step 2: Convert to fraction form
    56,163.36/77,505.71 = 30,670.24/x
  3. Step 3: Cross multiply
    56,163.36x = 77,505.71 × 30,670.24
  4. Step 4: Simplify right side
    56,163.36x = 2,377,118,727.07
  5. Step 5: Solve for x
    x = 2,377,118,727.07/56,163.36
  6. Step 6: Final answer
    x = 42,325.08

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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.