Home / 53,561.84-73,915.86-29,688.90

Finding the Fourth Proportional to 53,561.84, 73,915.86 and 29,688.90

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Solution

The fourth proportional to 53,561.84, 73,915.86 and 29,688.90 is: 40,970.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,561.84 : 73,915.86 = 29,688.90 : x
  2. Step 2: Convert to fraction form
    53,561.84/73,915.86 = 29,688.90/x
  3. Step 3: Cross multiply
    53,561.84x = 73,915.86 × 29,688.90
  4. Step 4: Simplify right side
    53,561.84x = 2,194,480,575.95
  5. Step 5: Solve for x
    x = 2,194,480,575.95/53,561.84
  6. Step 6: Final answer
    x = 40,970.97

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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.