Home / 83,756.03-115,580.93-45,513.90

Finding the Fourth Proportional to 83,756.03, 115,580.93 and 45,513.90

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Solution

The fourth proportional to 83,756.03, 115,580.93 and 45,513.90 is: 62,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,756.03 : 115,580.93 = 45,513.90 : x
  2. Step 2: Convert to fraction form
    83,756.03/115,580.93 = 45,513.90/x
  3. Step 3: Cross multiply
    83,756.03x = 115,580.93 × 45,513.90
  4. Step 4: Simplify right side
    83,756.03x = 5,260,538,662.36
  5. Step 5: Solve for x
    x = 5,260,538,662.36/83,756.03
  6. Step 6: Final answer
    x = 62,807.88

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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.