Home / 56,164.39-77,505.37-31,013.35

Finding the Fourth Proportional to 56,164.39, 77,505.37 and 31,013.35

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Solution

The fourth proportional to 56,164.39, 77,505.37 and 31,013.35 is: 42,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,164.39 : 77,505.37 = 31,013.35 : x
  2. Step 2: Convert to fraction form
    56,164.39/77,505.37 = 31,013.35/x
  3. Step 3: Cross multiply
    56,164.39x = 77,505.37 × 31,013.35
  4. Step 4: Simplify right side
    56,164.39x = 2,403,701,166.69
  5. Step 5: Solve for x
    x = 2,403,701,166.69/56,164.39
  6. Step 6: Final answer
    x = 42,797.60

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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.