Home / 83,320.02-124,980.03-36,573.30

Finding the Fourth Proportional to 83,320.02, 124,980.03 and 36,573.30

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Solution

The fourth proportional to 83,320.02, 124,980.03 and 36,573.30 is: 54,859.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,320.02 : 124,980.03 = 36,573.30 : x
  2. Step 2: Convert to fraction form
    83,320.02/124,980.03 = 36,573.30/x
  3. Step 3: Cross multiply
    83,320.02x = 124,980.03 × 36,573.30
  4. Step 4: Simplify right side
    83,320.02x = 4,570,932,131.20
  5. Step 5: Solve for x
    x = 4,570,932,131.20/83,320.02
  6. Step 6: Final answer
    x = 54,859.95

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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.