Home / 55,875.18-83,777.73-20,785.98

Finding the Fourth Proportional to 55,875.18, 83,777.73 and 20,785.98

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Solution

The fourth proportional to 55,875.18, 83,777.73 and 20,785.98 is: 31,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,875.18 : 83,777.73 = 20,785.98 : x
  2. Step 2: Convert to fraction form
    55,875.18/83,777.73 = 20,785.98/x
  3. Step 3: Cross multiply
    55,875.18x = 83,777.73 × 20,785.98
  4. Step 4: Simplify right side
    55,875.18x = 1,741,402,220.23
  5. Step 5: Solve for x
    x = 1,741,402,220.23/55,875.18
  6. Step 6: Final answer
    x = 31,165.93

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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.