Home / 52,298.28-78,422.85-19,009.44

Finding the Fourth Proportional to 52,298.28, 78,422.85 and 19,009.44

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Solution

The fourth proportional to 52,298.28, 78,422.85 and 19,009.44 is: 28,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,298.28 : 78,422.85 = 19,009.44 : x
  2. Step 2: Convert to fraction form
    52,298.28/78,422.85 = 19,009.44/x
  3. Step 3: Cross multiply
    52,298.28x = 78,422.85 × 19,009.44
  4. Step 4: Simplify right side
    52,298.28x = 1,490,774,461.70
  5. Step 5: Solve for x
    x = 1,490,774,461.70/52,298.28
  6. Step 6: Final answer
    x = 28,505.23

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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.