Home / 56,322.46-84,480.45-18,881.02

Finding the Fourth Proportional to 56,322.46, 84,480.45 and 18,881.02

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Solution

The fourth proportional to 56,322.46, 84,480.45 and 18,881.02 is: 28,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,322.46 : 84,480.45 = 18,881.02 : x
  2. Step 2: Convert to fraction form
    56,322.46/84,480.45 = 18,881.02/x
  3. Step 3: Cross multiply
    56,322.46x = 84,480.45 × 18,881.02
  4. Step 4: Simplify right side
    56,322.46x = 1,595,077,066.06
  5. Step 5: Solve for x
    x = 1,595,077,066.06/56,322.46
  6. Step 6: Final answer
    x = 28,320.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.