Home / 55,929.90-83,700.45-51,264.30

Finding the Fourth Proportional to 55,929.90, 83,700.45 and 51,264.30

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Solution

The fourth proportional to 55,929.90, 83,700.45 and 51,264.30 is: 76,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,929.90 : 83,700.45 = 51,264.30 : x
  2. Step 2: Convert to fraction form
    55,929.90/83,700.45 = 51,264.30/x
  3. Step 3: Cross multiply
    55,929.90x = 83,700.45 × 51,264.30
  4. Step 4: Simplify right side
    55,929.90x = 4,290,844,978.94
  5. Step 5: Solve for x
    x = 4,290,844,978.94/55,929.90
  6. Step 6: Final answer
    x = 76,718.27

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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.