Home / 55,905.48-83,897.10-36,135

Finding the Fourth Proportional to 55,905.48, 83,897.10 and 36,135

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Solution

The fourth proportional to 55,905.48, 83,897.10 and 36,135 is: 54,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,905.48 : 83,897.10 = 36,135 : x
  2. Step 2: Convert to fraction form
    55,905.48/83,897.10 = 36,135/x
  3. Step 3: Cross multiply
    55,905.48x = 83,897.10 × 36,135
  4. Step 4: Simplify right side
    55,905.48x = 3,031,621,708.50
  5. Step 5: Solve for x
    x = 3,031,621,708.50/55,905.48
  6. Step 6: Final answer
    x = 54,227.63

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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.