Home / 56,102.56-77,421.54-30,952.06

Finding the Fourth Proportional to 56,102.56, 77,421.54 and 30,952.06

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Solution

The fourth proportional to 56,102.56, 77,421.54 and 30,952.06 is: 42,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,102.56 : 77,421.54 = 30,952.06 : x
  2. Step 2: Convert to fraction form
    56,102.56/77,421.54 = 30,952.06/x
  3. Step 3: Cross multiply
    56,102.56x = 77,421.54 × 30,952.06
  4. Step 4: Simplify right side
    56,102.56x = 2,396,356,151.37
  5. Step 5: Solve for x
    x = 2,396,356,151.37/56,102.56
  6. Step 6: Final answer
    x = 42,713.85

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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.