Home / 56,166.08-84,239.40-21,098.48

Finding the Fourth Proportional to 56,166.08, 84,239.40 and 21,098.48

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Solution

The fourth proportional to 56,166.08, 84,239.40 and 21,098.48 is: 31,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,166.08 : 84,239.40 = 21,098.48 : x
  2. Step 2: Convert to fraction form
    56,166.08/84,239.40 = 21,098.48/x
  3. Step 3: Cross multiply
    56,166.08x = 84,239.40 × 21,098.48
  4. Step 4: Simplify right side
    56,166.08x = 1,777,323,296.11
  5. Step 5: Solve for x
    x = 1,777,323,296.11/56,166.08
  6. Step 6: Final answer
    x = 31,644.07

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1.5x scale

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.