Home / 75,284.02-112,772.94-60,412.42

Finding the Fourth Proportional to 75,284.02, 112,772.94 and 60,412.42

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Solution

The fourth proportional to 75,284.02, 112,772.94 and 60,412.42 is: 90,495.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,284.02 : 112,772.94 = 60,412.42 : x
  2. Step 2: Convert to fraction form
    75,284.02/112,772.94 = 60,412.42/x
  3. Step 3: Cross multiply
    75,284.02x = 112,772.94 × 60,412.42
  4. Step 4: Simplify right side
    75,284.02x = 6,812,886,215.91
  5. Step 5: Solve for x
    x = 6,812,886,215.91/75,284.02
  6. Step 6: Final answer
    x = 90,495.78

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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.