Home / 83,592.84-115,368.26-47,784.36

Finding the Fourth Proportional to 83,592.84, 115,368.26 and 47,784.36

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Solution

The fourth proportional to 83,592.84, 115,368.26 and 47,784.36 is: 65,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,592.84 : 115,368.26 = 47,784.36 : x
  2. Step 2: Convert to fraction form
    83,592.84/115,368.26 = 47,784.36/x
  3. Step 3: Cross multiply
    83,592.84x = 115,368.26 × 47,784.36
  4. Step 4: Simplify right side
    83,592.84x = 5,512,798,468.41
  5. Step 5: Solve for x
    x = 5,512,798,468.41/83,592.84
  6. Step 6: Final answer
    x = 65,948.21

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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.