Home / 55,355.40-83,065.91-51,852.76

Finding the Fourth Proportional to 55,355.40, 83,065.91 and 51,852.76

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Solution

The fourth proportional to 55,355.40, 83,065.91 and 51,852.76 is: 77,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,355.40 : 83,065.91 = 51,852.76 : x
  2. Step 2: Convert to fraction form
    55,355.40/83,065.91 = 51,852.76/x
  3. Step 3: Cross multiply
    55,355.40x = 83,065.91 × 51,852.76
  4. Step 4: Simplify right side
    55,355.40x = 4,307,196,228.48
  5. Step 5: Solve for x
    x = 4,307,196,228.48/55,355.40
  6. Step 6: Final answer
    x = 77,809.87

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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.