Home / 85,226.81-127,840.14-22,897.31

Finding the Fourth Proportional to 85,226.81, 127,840.14 and 22,897.31

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Solution

The fourth proportional to 85,226.81, 127,840.14 and 22,897.31 is: 34,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,226.81 : 127,840.14 = 22,897.31 : x
  2. Step 2: Convert to fraction form
    85,226.81/127,840.14 = 22,897.31/x
  3. Step 3: Cross multiply
    85,226.81x = 127,840.14 × 22,897.31
  4. Step 4: Simplify right side
    85,226.81x = 2,927,194,676.82
  5. Step 5: Solve for x
    x = 2,927,194,676.82/85,226.81
  6. Step 6: Final answer
    x = 34,345.94

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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.