Home / 76,477.68-114,641.28-32,117.04

Finding the Fourth Proportional to 76,477.68, 114,641.28 and 32,117.04

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Solution

The fourth proportional to 76,477.68, 114,641.28 and 32,117.04 is: 48,143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,477.68 : 114,641.28 = 32,117.04 : x
  2. Step 2: Convert to fraction form
    76,477.68/114,641.28 = 32,117.04/x
  3. Step 3: Cross multiply
    76,477.68x = 114,641.28 × 32,117.04
  4. Step 4: Simplify right side
    76,477.68x = 3,681,938,575.41
  5. Step 5: Solve for x
    x = 3,681,938,575.41/76,477.68
  6. Step 6: Final answer
    x = 48,143.96

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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.