Home / 63,719.84-87,929.28-35,424.80

Finding the Fourth Proportional to 63,719.84, 87,929.28 and 35,424.80

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Solution

The fourth proportional to 63,719.84, 87,929.28 and 35,424.80 is: 48,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,719.84 : 87,929.28 = 35,424.80 : x
  2. Step 2: Convert to fraction form
    63,719.84/87,929.28 = 35,424.80/x
  3. Step 3: Cross multiply
    63,719.84x = 87,929.28 × 35,424.80
  4. Step 4: Simplify right side
    63,719.84x = 3,114,877,158.14
  5. Step 5: Solve for x
    x = 3,114,877,158.14/63,719.84
  6. Step 6: Final answer
    x = 48,883.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.