Home / 82,934.75-124,389.88-40,803.55

Finding the Fourth Proportional to 82,934.75, 124,389.88 and 40,803.55

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Solution

The fourth proportional to 82,934.75, 124,389.88 and 40,803.55 is: 61,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,934.75 : 124,389.88 = 40,803.55 : x
  2. Step 2: Convert to fraction form
    82,934.75/124,389.88 = 40,803.55/x
  3. Step 3: Cross multiply
    82,934.75x = 124,389.88 × 40,803.55
  4. Step 4: Simplify right side
    82,934.75x = 5,075,548,275.09
  5. Step 5: Solve for x
    x = 5,075,548,275.09/82,934.75
  6. Step 6: Final answer
    x = 61,199.29

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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.