Home / 56,127.36-77,453.34-30,633.08

Finding the Fourth Proportional to 56,127.36, 77,453.34 and 30,633.08

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Solution

The fourth proportional to 56,127.36, 77,453.34 and 30,633.08 is: 42,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,127.36 : 77,453.34 = 30,633.08 : x
  2. Step 2: Convert to fraction form
    56,127.36/77,453.34 = 30,633.08/x
  3. Step 3: Cross multiply
    56,127.36x = 77,453.34 × 30,633.08
  4. Step 4: Simplify right side
    56,127.36x = 2,372,634,360.49
  5. Step 5: Solve for x
    x = 2,372,634,360.49/56,127.36
  6. Step 6: Final answer
    x = 42,272.33

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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.