Home / 63,591.07-87,756.02-39,731.58

Finding the Fourth Proportional to 63,591.07, 87,756.02 and 39,731.58

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Solution

The fourth proportional to 63,591.07, 87,756.02 and 39,731.58 is: 54,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,591.07 : 87,756.02 = 39,731.58 : x
  2. Step 2: Convert to fraction form
    63,591.07/87,756.02 = 39,731.58/x
  3. Step 3: Cross multiply
    63,591.07x = 87,756.02 × 39,731.58
  4. Step 4: Simplify right side
    63,591.07x = 3,486,685,608.53
  5. Step 5: Solve for x
    x = 3,486,685,608.53/63,591.07
  6. Step 6: Final answer
    x = 54,829.80

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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.