Home / 55,701.25-83,430.85-34,288.70

Finding the Fourth Proportional to 55,701.25, 83,430.85 and 34,288.70

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Solution

The fourth proportional to 55,701.25, 83,430.85 and 34,288.70 is: 51,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,701.25 : 83,430.85 = 34,288.70 : x
  2. Step 2: Convert to fraction form
    55,701.25/83,430.85 = 34,288.70/x
  3. Step 3: Cross multiply
    55,701.25x = 83,430.85 × 34,288.70
  4. Step 4: Simplify right side
    55,701.25x = 2,860,735,386.40
  5. Step 5: Solve for x
    x = 2,860,735,386.40/55,701.25
  6. Step 6: Final answer
    x = 51,358.55

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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.