Home / 56,101.19-77,419.64-30,950.69

Finding the Fourth Proportional to 56,101.19, 77,419.64 and 30,950.69

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Solution

The fourth proportional to 56,101.19, 77,419.64 and 30,950.69 is: 42,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,101.19 : 77,419.64 = 30,950.69 : x
  2. Step 2: Convert to fraction form
    56,101.19/77,419.64 = 30,950.69/x
  3. Step 3: Cross multiply
    56,101.19x = 77,419.64 × 30,950.69
  4. Step 4: Simplify right side
    56,101.19x = 2,396,191,277.55
  5. Step 5: Solve for x
    x = 2,396,191,277.55/56,101.19
  6. Step 6: Final answer
    x = 42,711.95

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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.