Home / 80,346.41-120,502.32-32,915.00

Finding the Fourth Proportional to 80,346.41, 120,502.32 and 32,915.00

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Solution

The fourth proportional to 80,346.41, 120,502.32 and 32,915.00 is: 49,365.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,346.41 : 120,502.32 = 32,915.00 : x
  2. Step 2: Convert to fraction form
    80,346.41/120,502.32 = 32,915.00/x
  3. Step 3: Cross multiply
    80,346.41x = 120,502.32 × 32,915.00
  4. Step 4: Simplify right side
    80,346.41x = 3,966,333,547.95
  5. Step 5: Solve for x
    x = 3,966,333,547.95/80,346.41
  6. Step 6: Final answer
    x = 49,365.41

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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.