Home / 56,927.50-85,402.14-21,864.40

Finding the Fourth Proportional to 56,927.50, 85,402.14 and 21,864.40

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Solution

The fourth proportional to 56,927.50, 85,402.14 and 21,864.40 is: 32,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,927.50 : 85,402.14 = 21,864.40 : x
  2. Step 2: Convert to fraction form
    56,927.50/85,402.14 = 21,864.40/x
  3. Step 3: Cross multiply
    56,927.50x = 85,402.14 × 21,864.40
  4. Step 4: Simplify right side
    56,927.50x = 1,867,266,549.82
  5. Step 5: Solve for x
    x = 1,867,266,549.82/56,927.50
  6. Step 6: Final answer
    x = 32,800.78

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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.